Mapiau Degwm Cymru
Dangos 850 canlyniad ar gyfer
- Neath Abbey, Castell-nedd Port Talbot
- Abbeycwmhir, Powys
- Aber Pwll, Gwynedd
- Aber-Cywarch, Gwynedd
- Aber-oer, Wrecsam
- Aber Rhaeadr, Powys
- Aber-Clydach, Abertawe
- Aber-Arad, Sir Gaerfyrddin
- Aber-banc, Sir Ceredigion
- Aber-Giâr, Sir Gaerfyrddin
- Aber, Sir Ceredigion
- Aber-miwl / Abermule, Powys
- Aber, Powys
- Aber-Tafol, Gwynedd
- Aberaeron, Sir Ceredigion
- Aberaman, Rhondda Cynon Taf
- Aberangell, Gwynedd
- Aberarth, Sir Ceredigion
- Aberavon, Castell-nedd Port Talbot
- Aberbargod / Aberbargoed, Caerffili
- Aberbechan, Powys
- Aberbeeg / Aber-big, Blaenau Gwent
- Aberbran, Powys
- Upper Abercanaid, Merthyr Tudful
- Abercanaid, Merthyr Tudful
- Abercarn, Caerffili
- Abercastle, Sir Benfro
- Abercegir, Powys
- Aberchwiler / Aberwheeler, Sir Ddinbych
- Abercraf / Abercrave, Powys
- Abercregan, Castell-nedd Port Talbot
- Abercwmboi, Rhondda Cynon Taf
- Abercych, Sir Benfro
- Abercynon, Rhondda Cynon Taf
- Aberdaron, Gwynedd
- Aberdaugleddau / Milford Haven, Sir Benfro
- Aberdesach, Gwynedd
- Aberdulais, Castell-nedd Port Talbot
- Aberdyfi / Aberdovey, Gwynedd
- Aberdâr / Aberdare, Rhondda Cynon Taf
- Aberedw, Powys
- Abererch, Gwynedd
- Aberfan, Merthyr Tudful
- Aberffraw, Sir Ynys Mon
- Aberffrwd, Sir Ceredigion
- Abergarw, Pen-y-bont ar Ogwr
- Abergarwed, Castell-nedd Port Talbot
- Abergeirw, Gwynedd
- Abergele, Conwy
- Abergorlech, Sir Gaerfyrddin
- Abergwaun / Fishguard, Sir Benfro
- Abergwesyn, Powys
- Abergwili, Sir Gaerfyrddin
- Abergwynfi, Castell-nedd Port Talbot
- Abergwyngregyn, Gwynedd
- Abergynolwyn, Gwynedd
- Aberhafesp, Powys
- Aberhonddu / Brecon, Powys
- Aberhosan, Powys
- Aberkenfig / Abercynffig, Pen-y-bont ar Ogwr
- Aberllefenni, Gwynedd
- Aberllynfi / Three Cocks, Powys
- Abermagwr, Sir Ceredigion
- Abermaw / Barmouth, Gwynedd
- Abermeurig, Sir Ceredigion
- Abermorlais, Merthyr Tudful
- Abernant, Sir Gaerfyrddin
- Abernant, Rhondda Cynon Taf
- Aberogwr / Ogmore-by-Sea, Bro Morgannwg
- Aberpennar / Mountain Ash, Rhondda Cynon Taf
- Aberporth, Sir Ceredigion
- Aberriw / Berriew, Powys
- Abersoch, Gwynedd
- Abersychan, Tor-faen
- Abertawe / Swansea, Abertawe
- Aberteifi / Cardigan, Sir Ceredigion
- West Aberthaw, Bro Morgannwg
- East Aberthaw, Bro Morgannwg
- Aberthin, Bro Morgannwg
- Abertridwr, Powys
- Abertridwr, Caerffili
- Abertyleri / Abertillery, Blaenau Gwent
- Abertysswg, Caerffili
- Aberyscir, Powys
- Aberystwyth, Sir Ceredigion
- Achddu, Sir Gaerfyrddin
- Acrefair, Wrecsam
- Acton, Wrecsam
- Little Acton, Wrecsam
- Adamsdown, Caerdydd
- Glan-Adda, Gwynedd
- Adfa, Powys
- Adpar, Sir Ceredigion
- Ciliau Aeron, Sir Ceredigion
- Ystrad Aeron, Sir Ceredigion
- Afon Wen, Gwynedd
- Glan-yr-afon, Sir Ynys Mon
- Glan-yr-afon, Sir Ynys Mon
- Glan-yr-afon, Gwynedd
- Afon Eitha, Wrecsam
- Afon-wen, Sir y Fflint
- Glan-yr-afon, Sir y Fflint
- Glan-yr-afon, Gwynedd
- Mountain Air, Blaenau Gwent
- Albert Town, Sir Benfro
- Tan-yr-allt, Sir Ddinbych
- Allt, Sir Gaerfyrddin
- Allt-yr-yn, Casnewydd
- Alltami, Sir y Fflint
- Alltmawr, Powys
- Alltwalis, Sir Gaerfyrddin
- Alltwen, Castell-nedd Port Talbot
- Alltyblaca, Sir Ceredigion
- Alport, Powys
- Castle-upon-Alun, Bro Morgannwg
- Alway, Casnewydd
- Nant Alyn, Sir y Fflint
- Ambleston, Sir Benfro
- Henllan Amgoed, Sir Gaerfyrddin
- Amlwch Port, Sir Ynys Mon
- Amlwch, Sir Ynys Mon
- Amroth, Sir Benfro
- Blue Anchor, Abertawe
- Stop-and-Call, Sir Benfro
- Saint Andras / St Andrews Major, Bro Morgannwg
- Anelog, Gwynedd
- Angle, Sir Benfro
- St Ann's Head, Sir Benfro
- Llidiart Annie, Sir Ddinbych
- Appletree, Powys
- Pont-ar-gothi, Sir Gaerfyrddin
- Llanfihangel-ar-arth, Sir Gaerfyrddin
- Y Clas-ar-Wy / Glasbury, Powys
- Llansanffraid-ar-Elai / St Bride's-super-Ely, Bro Morgannwg
- Pen-y-bont ar Ogwr / Bridgend, Pen-y-bont ar Ogwr
- Arberth / Narberth, Sir Benfro
- Dyffryn Ardudwy, Gwynedd
- Argoed, Caerffili
- Bryn Rhyd-yr-Arian, Conwy
- Bronwydd Arms, Sir Gaerfyrddin
- Little Arowry, Wrecsam
- Arowry, Wrecsam
- Michaelchurch-on-Arrow, Powys
- Arthog, Gwynedd
- St Arvans, Sir Fynwy
- Yr As Fawr / Monknash, Bro Morgannwg
- Cross Ash, Sir Fynwy
- Ashfield, Sir Gaerfyrddin
- Ashvale, Blaenau Gwent
- Aston, Sir y Fflint
- Pant Yr Athro, Sir Gaerfyrddin
- Atlantic Wharf, Caerdydd
- Tre-Aubrey, Bro Morgannwg
- The W auns, Wrecsam
- Llangattock-Vibon-Avel, Sir Fynwy
- Pant-yr-awel, Pen-y-bont ar Ogwr
- Axton, Sir y Fflint
- Babel, Sir Gaerfyrddin
- Babell, Sir y Fflint
- Sarn Bach, Gwynedd
- Castell-newydd-bach / Little Newcastle, Sir Benfro
- Cei-bach, Sir Ceredigion
- Cwm-bach, Powys
- Pentre-bach, Powys
- Mynydd-bach, Abertawe
- Bachau, Sir Ynys Mon
- Robeston Back, Sir Benfro
- Backe, Sir Gaerfyrddin
- Bae Colwyn / Colwyn Bay, Conwy
- Bagillt, Sir y Fflint
- Waun Baglam, Sir Gaerfyrddin
- Baglan, Castell-nedd Port Talbot
- Nant-y-Bai, Sir Gaerfyrddin
- Y Bala / Bala, Gwynedd
- Pen-y-banc, Sir Gaerfyrddin
- Banc y Darren, Sir Ceredigion
- Bancffosfelen, Sir Gaerfyrddin
- Bancycapel, Sir Gaerfyrddin
- Bancyfelin, Sir Gaerfyrddin
- Bancyffordd, Sir Gaerfyrddin
- Baneswell, Casnewydd
- Upper Bangor, Gwynedd
- Bangor, Gwynedd
- Bangor-is-y-coed / Bangor-on-Dee, Wrecsam
- Maes-bangor, Sir Ceredigion
- Capel Bangor, Sir Ceredigion
- Bowling Bank, Wrecsam
- Cock Bank, Wrecsam
- Cumber's Bank, Wrecsam
- Fenn's Bank, Wrecsam
- Tanlan Banks, Sir y Fflint
- Banwen, Castell-nedd Port Talbot
- Temple Bar, Sir Ceredigion
- Temple Bar, Sir Gaerfyrddin
- Cae-maes-y-bar, Abertawe
- Bargoed / Bargod, Caerffili
- Barland, Powys
- Barnardtown, Casnewydd
- Barrack Hill, Casnewydd
- Barri / Barry, Bro Morgannwg
- Barry Dock, Bro Morgannwg
- Barry Island, Bro Morgannwg
- Bassaleg, Casnewydd
- Battle, Powys
- Red Wharf Bay, Sir Ynys Mon
- Fryars Bay, Sir Ynys Mon
- Penrhyn Bay, Conwy
- Kinmel Bay / Bae Cinmel, Conwy
- Whitesands Bay / Porth Mawr, Sir Benfro
- Botany Bay, Sir Fynwy
- South Beach / Marian-y-de, Gwynedd
- Beaufort, Blaenau Gwent
- Beaufort Hill, Blaenau Gwent
- Beaumaris, Sir Ynys Mon
- Beddau, Rhondda Cynon Taf
- Beddgelert, Gwynedd
- Bedlinog, Merthyr Tudful
- Bedlwyn, Sir y Fflint
- Bedwas, Caerffili
- Bedwell, Wrecsam
- Bedwellty / Bedwellte, Caerffili
- Bedwlwyn, Wrecsam
- Beechwood, Casnewydd
- Began, Casnewydd
- Begeli / Begelly, Sir Benfro
- Pentre'r beirdd, Powys
- Belan, Powys
- Belgrano, Conwy
- Six Bells, Blaenau Gwent
- Bengal, Sir Benfro
- Benllech, Sir Ynys Mon
- Bentlass, Sir Benfro
- Hen Bentref Llandegfan, Sir Ynys Mon
- Berea, Sir Benfro
- Berllan-gollen, Caerffili
- Berry, Abertawe
- Bersham, Wrecsam
- Berth-ddu, Sir y Fflint
- Tir-y-berth, Caerffili
- Berthengam, Sir y Fflint
- Pentwyn Berthlŵyd, Merthyr Tudful
- Llandeilo Bertholau / Llantilio Pertholey, Sir Fynwy
- Pentre Berw, Sir Ynys Mon
- Berwyn, Sir Ddinbych
- Bethania, Gwynedd
- Bethania, Gwynedd
- Bethania, Sir Ceredigion
- Bethel, Gwynedd
- Bethel, Sir Ynys Mon
- Bethel, Gwynedd
- Bethesda, Gwynedd
- Bethesda, Gwynedd
- Bethesda, Sir Benfro
- Bethlehem, Sir Benfro
- Bethlehem, Sir Gaerfyrddin
- Bettisfield, Wrecsam
- Bettws Gwerfil Goch, Sir Ddinbych
- Bettws, Sir Fynwy
- Bettws Newydd, Sir Fynwy
- Bettws Cedewain, Powys
- Bettws, Pen-y-bont ar Ogwr
- Bettws, Casnewydd
- Betws, Sir Ynys Mon
- Betws Garmon, Gwynedd
- Betws-yn-Rhos, Conwy
- Betws-Y-Coed, Conwy
- Betws, Sir Gaerfyrddin
- Betws Ifan, Sir Ceredigion
- Betws Bledrws, Sir Ceredigion
- Capel Betws Lleucu, Sir Ceredigion
- Beulah, Sir Ceredigion
- Beulah, Powys
- Big Mancot, Sir y Fflint
- Bigyn, Sir Gaerfyrddin
- Birchgrove, Abertawe
- Birchgrove, Caerdydd
- Birchgrove, Rhondda Cynon Taf
- Bishop's Moat, Powys
- Bishopston, Abertawe
- Bishton, Casnewydd
- Black Bridge, Sir Ynys Mon
- Black Pill, Abertawe
- Black Rock, Sir Fynwy
- Blackweir, Caerdydd
- Blaen-y-coed, Sir Gaerfyrddin
- Blaen-Cil-Llech, Sir Ceredigion
- Blaen Clydach, Rhondda Cynon Taf
- Blaenannerch, Sir Ceredigion
- Blaenau Ffestiniog, Gwynedd
- Blaenau dolwyddelan, Conwy
- Blaenau, Sir y Fflint
- Blaenau, Sir Gaerfyrddin
- Blaenau Gwent, Blaenau Gwent
- Blaenavon, Tor-faen
- Blaenavon Junction, Tor-faen
- Blaencelyn, Sir Ceredigion
- Blaencwm, Rhondda Cynon Taf
- Blaendulais / Seven Sisters, Castell-nedd Port Talbot
- Blaenffos, Sir Benfro
- Blaengarw, Pen-y-bont ar Ogwr
- Blaengeuffordd, Sir Ceredigion
- Blaengwrach, Castell-nedd Port Talbot
- Blaengwynfi, Castell-nedd Port Talbot
- Blaenllechau, Rhondda Cynon Taf
- Blaenpennal, Sir Ceredigion
- Blaenplwyf / Pont Lanio, Sir Ceredigion
- Blaenporth, Sir Ceredigion
- Blaenrhondda, Rhondda Cynon Taf
- Blaenwaun, Sir Gaerfyrddin
- Blainau / Blaina, Blaenau Gwent
- Bleddfa, Powys
- Bletherston, Sir Benfro
- Pont-y-blew, Wrecsam
- Cold Blow, Sir Benfro
- Gerddi Bluog, Gwynedd
- Upper Boat, Rhondda Cynon Taf
- Brest Bochrwyd / Boughrood Brest, Powys
- Bochrwyd / Boughrood, Powys
- Mynydd Bodafon / Yr Arwydd, Sir Ynys Mon
- Bodedern, Sir Ynys Mon
- Bodermid, Gwynedd
- Bodewryd, Sir Ynys Mon
- Bodfari, Sir Ddinbych
- Bodffordd, Sir Ynys Mon
- Boduan, Gwynedd
- Cwmfelin-boeth, Sir Gaerfyrddin
- Tre-boeth, Abertawe
- Clegyr-Boia, Sir Benfro
- Bon-y-maen, Abertawe
- Boncath, Sir Benfro
- Bondfield Park, Caerffili
- Clwt-y-bont, Gwynedd
- Tal-y-bont, Gwynedd
- Tal-y-bont, Gwynedd
- Tal-y-bont, Conwy
- Bont Dolgadfan, Powys
- Pen-y-bont Llanerch Emrys, Powys
- Bont-newydd, Conwy
- Pen-y-bont, Sir Gaerfyrddin
- Pen-y-Bont, Castell-nedd Port Talbot
- Bont, Sir Fynwy
- Pen-y-bont, Sir Fynwy
- Pen-y-Bont, Blaenau Gwent
- Llanfihangel y Bont-faen / Llanmihangel, Bro Morgannwg
- Y Bont-Faen / Cowbridge, Bro Morgannwg
- Cae'r-bont, Powys
- Dôl-y-Bont, Sir Ceredigion
- Tal-y-bont, Sir Ceredigion
- Pen-bont Rhydybeddau, Sir Ceredigion
- Bontddu, Gwynedd
- Bontnewydd, Gwynedd
- Bontnewydd, Sir Ceredigion
- Bontuchaf, Gwynedd
- Bontuchel, Sir Ddinbych
- Bonwm, Sir Ddinbych
- Borras, Wrecsam
- Borth-y-Gest, Gwynedd
- Upper Borth, Sir Ceredigion
- Borth, Sir Ceredigion
- Morfa Borth, Sir Ceredigion
- Bosherston, Sir Benfro
- Botwnnog, Gwynedd
- Boulston, Sir Benfro
- Bow Street, Sir Ceredigion
- Box, Sir Gaerfyrddin
- Brackla / Bragle, Pen-y-bont ar Ogwr
- Bradley, Wrecsam
- Bragdy, Pen-y-bont ar Ogwr
- Braich-talog, Gwynedd
- Braichmelyn, Gwynedd
- Cefn-bryn-brain, Sir Gaerfyrddin
- Llanfihangel Nant Bran, Powys
- Brawdy, Sir Benfro
- Brechfa, Sir Gaerfyrddin
- Llanddewi Brefi, Sir Ceredigion
- Ton-Breigam, Bro Morgannwg
- Rhodiad-y-Brenin, Sir Benfro
- Bretton, Sir y Fflint
- Eglwys-Brewis, Bro Morgannwg
- Cae-Bricks, Abertawe
- Saint-y-brid / St Brides Major, Bro Morgannwg
- St Bride's Netherwent, Sir Fynwy
- Bridell, Sir Benfro
- St Brides, Sir Benfro
- Bridge End, Sir y Fflint
- New Bridge, Sir Benfro
- Pelcomb Bridge, Sir Benfro
- Mascle Bridge, Sir Benfro
- Merlin's Bridge, Sir Benfro
- Narberth Bridge, Sir Benfro
- Bridgend, Sir Ceredigion
- Briery Hill, Blaenau Gwent
- New Brighton, Wrecsam
- New Brighton, Sir y Fflint
- Brimaston, Sir Benfro
- Britannia, Rhondda Cynon Taf
- Cefn-brith, Conwy
- Brithdir, Gwynedd
- Rhos-y-brithdir, Powys
- Brithdir, Sir Ceredigion
- British, Tor-faen
- Bro Rhythallt, Gwynedd
- Broad Haven, Sir Benfro
- Broad Oak, Sir Gaerfyrddin
- Broad Heath, Powys
- Broadfield, Sir Benfro
- Broadlay, Sir Gaerfyrddin
- Broadmoor, Sir Benfro
- Broadoak, Wrecsam
- Broadstone, Sir Fynwy
- Broadstreet Common, Casnewydd
- Broadway, Sir Benfro
- Broadway, Sir Gaerfyrddin
- Broadway, Sir Gaerfyrddin
- Brockwells, Sir Fynwy
- Broginin, Sir Ceredigion
- Bron-y-Nant, Conwy
- Bron Ogwen, Gwynedd
- Bronaber, Gwynedd
- Brongest, Sir Ceredigion
- Lletty Brongu, Pen-y-bont ar Ogwr
- Brongwyn, Sir Ceredigion
- Bronington, Wrecsam
- Bronllys, Powys
- Bronnant / Bronant, Sir Ceredigion
- Bronwydd, Sir Gaerfyrddin
- Bronydd, Powys
- Brook, Sir Gaerfyrddin
- Caerwent Brook, Sir Fynwy
- Brooks, Powys
- Broom, Sir Benfro
- New Broughton, Wrecsam
- Broughton, Sir y Fflint
- Broughton, Bro Morgannwg
- Brymbo, Conwy
- Brymbo, Wrecsam
- Bryn-Llwyd, Gwynedd
- Pen y Bryn, Gwynedd
- Bryn-mawr, Gwynedd
- Bryn Du, Sir Ynys Mon
- Bryn-y-maen, Conwy
- Bryn Pydew, Conwy
- Bryn Eglwys, Gwynedd
- Pen-y-bryn, Gwynedd
- Bryn-coed-Ifor, Gwynedd
- Bryn Bwbach, Gwynedd
- Pen-y-bryn, Wrecsam
- Knolton Bryn, Wrecsam
- Bryn Eithen, Sir Ddinbych
- Bryn y Castell, Sir y Fflint
- Bryn Celyn, Sir y Fflint
- Sarn-y-bryn-caled, Powys
- Bryn Saith Marchog, Sir Ddinbych
- Bryn Merllyn, Sir y Fflint
- Bryn-henllan, Sir Benfro
- Bryn Iwan, Sir Gaerfyrddin
- Pen-y-bryn, Sir Benfro
- Coed-y-bryn, Sir Ceredigion
- Pont-y-bryn-hurt, Powys
- Pen-y-bryn, Castell-nedd Port Talbot
- Bryn, Castell-nedd Port Talbot
- Bryn, Sir Gaerfyrddin
- Twyn Bryn-hîr, Rhondda Cynon Taf
- Bryn-coch, Castell-nedd Port Talbot
- Ty'n-y-bryn, Rhondda Cynon Taf
- Bryn, Caerffili
- Brynafan, Sir Ceredigion
- Brynamman, Sir Gaerfyrddin
- Upper Brynamman, Sir Gaerfyrddin
- Lower Brynamman, Castell-nedd Port Talbot
- Brynawel, Caerffili
- Brynberian, Sir Benfro
- Brynbuga / Usk, Sir Fynwy
- Bryncae, Rhondda Cynon Taf
- Bryncethin, Pen-y-bont ar Ogwr
- Bryncir, Gwynedd
- Bryncoch, Pen-y-bont ar Ogwr
- Bryncroes, Gwynedd
- Bryncrug, Gwynedd
- Bryneglwys, Sir Ddinbych
- Brynford, Sir y Fflint
- Brynglas, Gwynedd
- Brynglas, Casnewydd
- Bryngolau, Rhondda Cynon Taf
- Bryngwran, Sir Ynys Mon
- Bryngwyn, Wrecsam
- Bryngwyn / Glan-Frogan Hill, Powys
- Bryngwyn, Sir Ceredigion
- Bryngwyn, Sir Fynwy
- Bryngwyn, Powys
- Bryngwyn, Caerffili
- Brynheulog, Pen-y-bont ar Ogwr
- Brynhoffnant, Sir Ceredigion
- Brynhovah, Wrecsam
- Brynhyfryd, Pen-y-bont ar Ogwr
- Brynhyfryd, Sir Gaerfyrddin
- Brynhyfryd, Castell-nedd Port Talbot
- Brynhyfryd, Abertawe
- Bryniau, Sir Ddinbych
- Brynithel, Blaenau Gwent
- Brynmawr / Bryn-Mawr, Blaenau Gwent
- Brynmenyn, Pen-y-bont ar Ogwr
- Brynmill, Abertawe
- Brynna, Rhondda Cynon Taf
- Brynnau Gwynion, Rhondda Cynon Taf
- Brynrefail, Gwynedd
- Brynrefail, Sir Ynys Mon
- Brynsadler, Rhondda Cynon Taf
- Brynsiencyn, Sir Ynys Mon
- Brynteg, Sir Ynys Mon
- Brynteg, Wrecsam
- Brynteg, Rhondda Cynon Taf
- Bryntirion, Pen-y-bont ar Ogwr
- Bryntirion, Rhondda Cynon Taf
- Brynygwenin, Sir Fynwy
- Pant-y-buarth, Sir y Fflint
- Buarth Mawr, Sir Ceredigion
- Buarth Capel, Rhondda Cynon Taf
- Buckholt, Sir Fynwy
- Buckley Mountain, Sir y Fflint
- Bugeildy / Beguildy, Powys
- Builth Road, Powys
- Tai'r Bull, Powys
- Bulwark, Sir Fynwy
- Burgedin, Powys
- Burgess Lands, Powys
- Burlingjobb, Powys
- Burntwood Pentre, Sir y Fflint
- Crymlyn Burrows, Castell-nedd Port Talbot
- Burry Port / Porth Tywyn, Sir Gaerfyrddin
- Burry, Abertawe
- Burry Green, Abertawe
- Burton, Wrecsam
- Burton Green, Wrecsam
- Burton, Sir Benfro
- Burton Ferry, Sir Benfro
- Burton, Bro Morgannwg
- Burwen, Sir Ynys Mon
- Bute Town, Caerffili
- Butetown, Caerdydd
- Buttington, Powys
- Nant-y-Bwch, Blaenau Gwent
- Bwcle / Buckley, Sir y Fflint
- Bwlch-derwin, Gwynedd
- Bwlch, Sir Ynys Mon
- Tan-y-bwlch, Gwynedd
- Bwlch-y-cibau, Powys
- Iet-y-bwlch, Sir Gaerfyrddin
- Bwlch-y-groes, Sir Ceredigion
- Bwlch-Llan, Sir Ceredigion
- Bwlch-y-ffridd, Powys
- Bwlch y Garreg, Powys
- Bwlch, Powys
- Bwlch-y-sarnau, Powys
- Bwlchgwyn, Wrecsam
- Bwlchnewydd, Sir Gaerfyrddin
- Bwlchtocyn, Gwynedd
- Bwlchyddar, Powys
- Bwlchygroes, Sir Benfro
- Morfa Bychan, Gwynedd
- Pentre Bychan, Wrecsam
- Cefn-bychan, Wrecsam
- Crug-y-byddar, Powys
- Byeastwood, Pen-y-bont ar Ogwr
- Bylchau, Conwy
- Bynea, Sir Gaerfyrddin
- Cwm-byr, Sir Gaerfyrddin
- Pentre-bâch, Sir Ceredigion
- Castell-y-bŵch, Tor-faen
- Cadle, Abertawe
- Cadnant Park, Conwy
- Cadole, Sir y Fflint
- Cadoxton, Bro Morgannwg
- Cae Clŷd, Gwynedd
- Rhes-y-cae, Sir y Fflint
- Gwaun-Cae-Gurwen, Castell-nedd Port Talbot
- Cae-mawr, Abertawe
- Pen-cae, Sir Ceredigion
- Pen-y-cae, Pen-y-bont ar Ogwr
- Cae-draw, Merthyr Tudful
- Cae-pant-tywyll, Merthyr Tudful
- Coed Cae, Sir Gaerfyrddin
- Pen-y-cae, Powys
- Pen-y-cae, Castell-nedd Port Talbot
- Pen-y-cae-mawr, Sir Fynwy
- Cae'r-graig, Abertawe
- Caeathro, Gwynedd
- Ty'n-y-caeau, Castell-nedd Port Talbot
- Caeffynnon, Sir Ceredigion
- Caegarw, Rhondda Cynon Taf
- Caehopkin, Powys
- Caer Estyn, Sir y Fflint
- Caer-eithin, Abertawe
- Caer-went / Caerwent, Sir Fynwy
- Caerau, Pen-y-bont ar Ogwr
- Caerau, Caerdydd
- Caerau Park, Casnewydd
- Coed-y-caerau, Casnewydd
- Caerdydd / Cardiff, Caerdydd
- Castle Caereinion, Powys
- Llanfair Caereinion, Powys
- Caerfarchell, Sir Benfro
- Caerffili / Caerphilly, Caerffili
- Caerfyrddin / Carmarthen, Sir Gaerfyrddin
- Caergeiliog, Sir Ynys Mon
- Caergwrle, Sir y Fflint
- Caergybi / Holyhead, Sir Ynys Mon
- Caerhendy, Castell-nedd Port Talbot
- Caerhowel, Powys
- Caerhun, Gwynedd
- Caerhun, Conwy
- Caeriw / Carew, Sir Benfro
- Dan Caerlan, Rhondda Cynon Taf
- Caerllion / Caerleon, Casnewydd
- Caernarfon, Gwynedd
- Caersws, Powys
- Caerwedros, Sir Ceredigion
- Caerwys, Sir y Fflint
- Tal-y-cafn, Conwy
- Nant-y-cafn, Castell-nedd Port Talbot
- Caggle Street, Sir Fynwy
- Caim, Sir Ynys Mon
- Caio / Caeo, Sir Gaerfyrddin
- Calcoed, Sir y Fflint
- Caldicot / Cil-y-coed, Sir Fynwy
- Caledrhydiau, Sir Ceredigion
- Camp Hill, Sir Benfro
- Camrose, Sir Benfro
- Canisland, Abertawe
- Dol-y-Cannau, Powys
- Cefn Canol, Powys
- Ty Canol, Tor-faen
- Canton, Caerdydd
- Cantref, Sir Fynwy
- Monmouth Cap, Sir Fynwy
- Capel Mawr, Sir Ynys Mon
- Capel-y-graig, Gwynedd
- Capel Uchaf, Gwynedd
- Capel Coch, Sir Ynys Mon
- Capel Parc, Sir Ynys Mon
- Capel Gwyn, Sir Ynys Mon
- Capel Curig, Conwy
- Capel Garmon, Conwy
- Capel Iwan, Sir Gaerfyrddin
- Capel Newydd / Newchapel, Sir Benfro
- Capel Dewi, Sir Gaerfyrddin
- Capel Isaac, Sir Gaerfyrddin
- Capel Tygwydd, Sir Ceredigion
- Capel Cynon, Sir Ceredigion
- Capel-Gwynfe, Sir Gaerfyrddin
- Capel Sain Silin, Sir Ceredigion
- Capel Dewi, Sir Ceredigion
- Capel Vicar, Sir Ceredigion
- Capel-y-Groes, Sir Ceredigion
- Capel Seion, Sir Ceredigion
- Capel-y-ffin, Powys
- Capel Hendre, Sir Gaerfyrddin
- Capel, Sir Gaerfyrddin
- Capel Dewi, Sir Ceredigion
- Capel Llanilltern, Caerdydd
- Capelulo, Conwy
- Rhyd-y-car, Merthyr Tudful
- Carew Newton, Sir Benfro
- Carew Mountain, Sir Benfro
- Carew Cheriton, Sir Benfro
- Carmel, Sir Ynys Mon
- Carmel, Gwynedd
- Carmel, Sir y Fflint
- Carmel, Sir Gaerfyrddin
- Carmeltown, Blaenau Gwent
- Carnetown, Rhondda Cynon Taf
- Carnglas, Abertawe
- Carnhedryn Uchaf, Sir Benfro
- Carno, Powys
- Carreg-wen, Sir Benfro
- Carreglefn, Sir Ynys Mon
- Carrog, Sir Ddinbych
- Carrow Hill, Sir Fynwy
- Carwe / Carway, Sir Gaerfyrddin
- Cas-Gwent / Chepstow, Sir Fynwy
- Cascob, Powys
- Casllwchwr / Loughor, Abertawe
- Casmael / Puncheston, Sir Benfro
- Casnewydd / Newport, Casnewydd
- Castell, Conwy
- Castell Newydd Emlyn / Newcastle Emlyn, Sir Gaerfyrddin
- Dyffryn Castell, Sir Ceredigion
- Castell-nedd / Neath, Castell-nedd Port Talbot
- Walwyn's Castle, Sir Benfro
- Wolf's Castle, Sir Benfro
- Morlais Castle, Merthyr Tudful
- Castle Park, Caerffili
- Castlebythe, Sir Benfro
- Castlemartin, Sir Benfro
- Castleton Park, Bro Morgannwg
- Castleton, Casnewydd
- Caswell, Abertawe
- Catbrook, Sir Fynwy
- Cathays Park, Caerdydd
- Cathays, Caerdydd
- Cathedine, Powys
- Pant-y-Caws, Sir Gaerfyrddin
- Cefn-ddwysarn, Gwynedd
- Cefn-mawr, Wrecsam
- Cefn, Sir y Fflint
- Pen-y-cefn, Sir y Fflint
- Cefn, Powys
- Ty'n-y-cefn, Sir Ddinbych
- Cefn Coch, Powys
- Cefn Côch, Powys
- Cefn-y-pant, Sir Gaerfyrddin
- Craig-cefn-parc, Abertawe
- Cefn Mawr, Powys
- Cefn Glas, Pen-y-bont ar Ogwr
- Cefn Cribwr, Pen-y-bont ar Ogwr
- Cefn-coed-y-cymmer, Merthyr Tudful
- Cefn Golau, Blaenau Gwent
- Cefn Rhigos, Rhondda Cynon Taf
- Cefn Llwyd, Sir Ceredigion
- Cefn-gorwydd, Powys
- Cefn-hengoed, Abertawe
- Cefn Fforest, Caerffili
- Cefn Hengoed, Caerffili
- Cefncaeau, Sir Gaerfyrddin
- Cefneithin, Sir Gaerfyrddin
- Cefnpennar, Rhondda Cynon Taf
- Cegidfa / Guilsfield, Powys
- Ceidio, Gwynedd
- Ceidio, Sir Ynys Mon
- Ceint, Sir Ynys Mon
- Esgairgeiliog Ceinws, Powys
- Glyn Ceiriog, Wrecsam
- Llanarmon Dyffryn Ceiriog, Wrecsam
- Rhŷd-y-ceirw, Sir y Fflint
- Cellan, Sir Ceredigion
- Dyffryn Cellwen, Castell-nedd Port Talbot
- Celtic Lakes, Casnewydd
- Celyn-Mali, Sir y Fflint
- Pentre-celyn, Sir Ddinbych
- Celynon, Caerffili
- Cemaes, Sir Ynys Mon
- Cemmaes, Powys
- Cenarth, Sir Gaerfyrddin
- Cenin, Gwynedd
- Central, Caerdydd
- Cerbid, Sir Benfro
- Pont-Ceri, Sir Ceredigion
- Mynydd Cerrig, Sir Gaerfyrddin
- Cerrigceinwen, Sir Ynys Mon
- Cerrigydrudion, Conwy
- Ceunant, Gwynedd
- Cwm-Cewydd, Gwynedd
- Thomas Chapel, Sir Benfro
- Lower Chapel, Powys
- Chapel Hill, Sir Benfro
- Charlesville, Tor-faen
- Cheltenham, Sir Fynwy
- The Chequer, Wrecsam
- Cheriton, Abertawe
- Chippenham, Sir Fynwy
- Chirk Green, Wrecsam
- Christchurch, Casnewydd
- Church Lake, Sir Benfro
- Old Church Stoke, Powys
- Church Village, Rhondda Cynon Taf
- Churchill Park, Caerffili
- Churchstoke, Powys
- Chwilog, Gwynedd
- Chwitffordd / Whitford, Sir y Fflint
- Pentre-chwyth, Abertawe
- Cil-geraint, Gwynedd
- Cil, Powys
- Cil-ffriw / Cilfrew, Castell-nedd Port Talbot
- Cilan, Gwynedd
- Cilcain, Sir y Fflint
- Cilcennin, Sir Ceredigion
- Cilcewydd, Powys
- Pentre Cilcwm, Powys
- Cilfodan, Gwynedd
- Cilfynydd, Rhondda Cynon Taf
- Cilgerran, Sir Benfro
- Cilgeti / Kilgetty, Sir Benfro
- Cilgwyn, Gwynedd
- Pentre Cilgwyn, Wrecsam
- Cilgwyn, Sir Benfro
- Cilmaengwyn, Castell-nedd Port Talbot
- Cilmeri / Cilmery, Powys
- Cilrhedyn, Sir Benfro
- Cilsan, Sir Gaerfyrddin
- Ciltwrch, Powys
- Cilybebyll, Castell-nedd Port Talbot
- Cilycwm, Sir Gaerfyrddin
- Cimla, Castell-nedd Port Talbot
- Cippin Stone, Sir Benfro
- Cippyn, Sir Benfro
- City Dulas, Sir Ynys Mon
- Garden City, Sir y Fflint
- City, Powys
- Moelfre City, Powys
- City, Bro Morgannwg
- Garden City, Blaenau Gwent
- Rhyd-y-clafdy, Gwynedd
- Clarbeston Road, Sir Benfro
- Clarbeston, Sir Benfro
- Clase, Abertawe
- Clatter, Powys
- Clawdd Poncen, Sir Ddinbych
- Clawdd-newydd, Sir Ddinbych
- Tref-y-Clawdd / Knighton, Powys
- Clawdd-côch, Bro Morgannwg
- Pen-clawdd / Pen-y-clawdd, Sir Fynwy
- Pen-clawdd, Abertawe
- St Clears / Sanclêr, Sir Gaerfyrddin
- Cleddon, Sir Fynwy
- Cleirwy / Clyro, Powys
- Cleppa Park, Casnewydd
- Cloddiau, Powys
- Clunderwen, Sir Benfro
- Llanbedr-Dyffryn-Clwyd, Sir Ddinbych
- Llanfair Dyffryn Clwyd, Sir Ddinbych
- Clwydyfagwyr, Merthyr Tudful
- Clydach, Abertawe
- Clydach, Sir Fynwy
- Clydach Vale, Rhondda Cynon Taf
- Dyffryn Clydach, Castell-nedd Port Talbot
- Llanfair Clydogau, Sir Ceredigion
- Waun y Clyn, Sir Gaerfyrddin
- Clyne, Castell-nedd Port Talbot
- Clynnog-fawr, Gwynedd
- Clytha Park, Casnewydd
- The Clôs, Sir Gaerfyrddin
- Cnap-Llwyd, Abertawe
- Cnwcau, Sir Benfro
- Cnwch Coch, Sir Ceredigion
- Cnwclas / Knucklas, Powys
- Cobbler's Plain, Sir Fynwy
- Commins Coch, Powys
- Plas Coch, Wrecsam
- Comins Coch, Sir Ceredigion
- Penrhyn-coch, Sir Ceredigion
- Ty-coch, Abertawe
- Ty Coch, Tor-faen
- Cockett, Abertawe
- Coed Mawr, Gwynedd
- Tan-y-coed, Gwynedd
- Coed Ystumgwern, Gwynedd
- Drws-y-coed, Gwynedd
- Melin-y-coed, Conwy
- Coed-y-parc, Gwynedd
- Pen-Y-Coed, Sir Ddinbych
- Coed-talon, Sir y Fflint
- Coed-Llai / Leeswood, Sir y Fflint
- Coed Morgan, Sir Fynwy
- Coed-yr-ynys, Powys
- Coed-y-fedw, Sir Fynwy
- Coed-y-paen, Sir Fynwy
- Coed Eva, Tor-faen
- Coed-Pen-Maen, Rhondda Cynon Taf
- Y Coed Duon / Blackwood, Caerffili
- Coed y Cwm, Rhondda Cynon Taf
- Goitre Coed, Merthyr Tudful
- Upper Coedcae, Tor-faen
- Middle Coedcae, Tor-faen
- Coedcae, Blaenau Gwent
- Pen-y-coedcae, Rhondda Cynon Taf
- Coedcernyw / Coedkernew, Casnewydd
- Coedely, Rhondda Cynon Taf
- Coedhirwaun, Castell-nedd Port Talbot
- Coedpoeth, Wrecsam
- Coedway, Powys
- Coelbren, Powys
- Cog, Bro Morgannwg
- Cogan, Bro Morgannwg
- Coity / Coety, Pen-y-bont ar Ogwr
- Colcot, Bro Morgannwg
- Cold Inn, Sir Benfro
- Coldbrook, Powys
- Coldra, Casnewydd
- Court Colman, Pen-y-bont ar Ogwr
- The Colony, Powys
- Colston, Sir Benfro
- Old Colwyn, Conwy
- Kemeys Commander, Sir Fynwy
- Commins, Powys
- Rhos Common, Powys
- Upper Common, Sir Fynwy
- Lower Common, Sir Fynwy
- Gwehelog Common, Sir Fynwy
- Trostrey Common, Sir Fynwy
- Mitcheltroy Common, Sir Fynwy
- The Common, Abertawe
- Itton Common, Sir Fynwy
- Whitewall Common, Sir Fynwy
- Congl-y-wal, Gwynedd
- Connah's Quay / Cei Connah, Sir y Fflint
- Llansanffraid Glan Conwy, Conwy
- Conwy, Conwy
- Coomb, Sir Gaerfyrddin
- Coopers, Sir Gaerfyrddin
- Copenhagen, Sir Ddinbych
- Coppa View, Sir y Fflint
- Corlannau, Castell-nedd Port Talbot
- South Cornelly, Pen-y-bont ar Ogwr
- North Cornelly, Pen-y-bont ar Ogwr
- Pye Corner, Casnewydd
- Corntwn / Corntown, Bro Morgannwg
- Corris Uchaf, Gwynedd
- Corris, Gwynedd
- Cwm-corrwg, Caerffili
- Corwen, Sir Ddinbych
- Coryton, Caerdydd
- Cosheston, Sir Benfro
- Cosmeston, Bro Morgannwg
- Cwm-cou, Sir Ceredigion
- Court Henry, Sir Gaerfyrddin
- Ddôl Cownwy, Powys
- Coxlake, Sir Benfro
- Coytrahên, Pen-y-bont ar Ogwr
- Crabtree Green, Wrecsam
- Cradoc, Powys
- Crai, Powys
- Felin-Crai, Powys
- Craig-y-Don, Conwy
- Craig-y-nos, Powys
- Cregrina, Powys
- Creigau, Sir Fynwy
- Creigiau, Caerdydd
- Cresselly, Sir Benfro
- Llanfihangel-y-Creuddyn, Sir Ceredigion
- Creunant/Crynant, Castell-nedd Port Talbot
- Crewgreen, Powys
- Cribyn, Sir Ceredigion
- Cricieth / Criccieth, Gwynedd
- Crick, Sir Fynwy
- Crickadarn, Powys
- Criggion, Powys
- Crindau, Casnewydd
- Crinow, Sir Benfro
- Moel-y-crio, Sir y Fflint
- Croes Eneurys, Wrecsam
- Croes-wian, Sir y Fflint
- Croes-goch, Sir Benfro
- Croes-lan, Sir Ceredigion
- Croes-Hywel, Sir Fynwy
- Croes y pant, Sir Fynwy
- Croes-y-mwyalch, Tor-faen
- Croeserw, Castell-nedd Port Talbot
- Croesor, Gwynedd
- Croespenmaen / Croes-Pen-Maen, Caerffili
- Croesyceiliog, Sir Gaerfyrddin
- Croesyceiliog, Tor-faen
- Crofty, Abertawe
- Cross Lanes, Wrecsam
- Eglwys Cross, Wrecsam
- Millin Cross, Sir Benfro
- Merlin's Cross, Sir Benfro
- Tiers Cross, Sir Benfro
- Pelcomb Cross, Sir Benfro
- Simpson Cross, Sir Benfro
- Poyston Cross, Sir Benfro
- Robeston Cross, Sir Benfro
- Cross Hands, Sir Benfro
- Twy Cross, Sir Benfro
- Hayscastle Cross, Sir Benfro
- Cross Inn, Sir Gaerfyrddin
- Glandy Cross, Sir Gaerfyrddin
- Dinas Cross, Sir Benfro
- Neuadd Cross, Sir Ceredigion
- Cross Inn, Sir Ceredigion
- Cross Inn, Sir Ceredigion
- Cross Oak, Powys
- Culverhouse Cross, Caerdydd
- Cross Hands, Sir Gaerfyrddin
- West Cross, Abertawe
- High Cross, Casnewydd
- Cross Inn, Rhondda Cynon Taf
- Four Crosses, Powys
- Four Crosses, Sir Ddinbych
- Four Crosses, Powys
- Three Crosses, Abertawe
- Crosshands, Sir Gaerfyrddin
- Crosskeys, Caerffili
- Crossway, Powys
- Crossway, Sir Fynwy
- Crossways, Sir Fynwy
- Crossways, Powys
- Crowther's Pool, Powys
- Llanvihangel Crucorney, Sir Fynwy
- Crughywel / Crickhowell, Powys
- Crugybar, Sir Gaerfyrddin
- Crundale, Sir Benfro
- Crwbin, Sir Gaerfyrddin
- Crymlyn, Gwynedd
- Crymlyn / Crumlin, Caerffili
- Crymych, Sir Benfro
- Pant-y-crûg, Sir Ceredigion
- Cuckoo's Row, Sir Fynwy
- Cuffern, Sir Benfro
- Cutiau, Gwynedd
- Cuttybridge, Sir Benfro
- Cwlach, Conwy
- Cwm-y-glo, Gwynedd
- Cwm Penmachno, Conwy
- Cwm-Llinau, Powys
- Cwm, Sir Ddinbych
- Marian Cwm, Sir Ddinbych
- Cwm / Lower Town, Sir Benfro
- Cwm-twrch Uchaf, Powys
- Tyn-y-cwm, Abertawe
- Cwm-twrch Isaf, Powys
- Cwm Dulais, Abertawe
- Cwm-oernant, Sir Gaerfyrddin
- Cwm, Sir Ceredigion
- Cwm-pîb, Sir Ceredigion
- Cwm Nant-gam, Sir Fynwy
- Cwm Fields, Tor-faen
- Cwm Ffrwd-oer, Tor-faen
- Cwm Siôn Mathew, Sir Fynwy
- Cwm-nant-gwynt, Caerffili
- Llanddewi'r Cwm, Powys
- Cwm-y-gaist, Powys
- Cwm, Blaenau Gwent
- Cwm-mawr, Sir Gaerfyrddin
- Cwm-y-glo, Sir Gaerfyrddin
- Cwm-hwnt, Rhondda Cynon Taf
- Cwm Gwyn, Abertawe
- Cwm-felin-fâch, Abertawe
- Cwm, Abertawe
- Cwm Ivy, Abertawe
- Cwm-dows, Caerffili
- Cwmafan / Cwmavon, Castell-nedd Port Talbot
- Cwmaman, Rhondda Cynon Taf
- Cwmann, Sir Gaerfyrddin
- Cwmavon, Tor-faen
- Cwmbach, Sir Gaerfyrddin
- Cwmbach, Powys
- Cwmbach Llechrhyd, Powys
- Cwmbelan, Powys
- Upper Cwmbran, Tor-faen
- Old Cwmbran, Tor-faen
- Cwmbrwyno, Sir Ceredigion
- Cwmbrân, Tor-faen
- Cwmbwrla, Abertawe
- Cwmbâch, Rhondda Cynon Taf
- Cwmcarfan / Cwmcarvan, Sir Fynwy
- Cwmcarn, Caerffili
- Cwmcarnhywel, Sir Gaerfyrddin
- Cwmcelyn / Cwm-celyn, Blaenau Gwent
- Cwmcrawnon, Powys
- Cwmcych, Sir Gaerfyrddin
- Cwmdare, Rhondda Cynon Taf
- Llansantffraed-Cwmdeuddwr, Powys
- Cwmdu, Sir Gaerfyrddin
- Cwmdu, Powys
- Cwmdu, Abertawe
- Cwmduad, Sir Gaerfyrddin
- Cwmdwr, Sir Gaerfyrddin
- Cwmdwyfran, Sir Gaerfyrddin
- Cwmfelin Mynach, Sir Gaerfyrddin
- Cwmfelin, Pen-y-bont ar Ogwr
- Cwmfelin, Merthyr Tudful
- Cwmfelinfach, Caerffili
- Cwmffrwd, Sir Gaerfyrddin
- Cwmgiedd, Powys
- Cwmgors, Castell-nedd Port Talbot
- Cwmgwili, Sir Gaerfyrddin
- Cwmgwrach, Castell-nedd Port Talbot
- Cwmhiraeth, Sir Gaerfyrddin
- Cwmifor, Sir Gaerfyrddin
- Cwmisfael, Sir Gaerfyrddin
- Cwmllynfell, Castell-nedd Port Talbot
- Cwmorgan, Sir Gaerfyrddin
- Cwmparc, Rhondda Cynon Taf
- Cwmpengraig, Sir Gaerfyrddin
- Cwmpennar, Rhondda Cynon Taf
- Cwmrhos, Powys
- Cwmrhydyceirw, Abertawe
- Cwmsychbant, Sir Ceredigion
- Cwmsyfiog, Caerffili
- Cwmsymlog, Sir Ceredigion
- Cwmtirmynach, Gwynedd
- Cwmtydu, Sir Ceredigion
- Cwmtyleri / Cwmtillery, Blaenau Gwent
- Cwmwdig Water, Sir Benfro
- Cwmwysg, Powys
- Cwmynyscoy, Tor-faen
- Cwmyoy, Sir Fynwy
- Cwmystwyth, Sir Ceredigion
- Cwrt, Gwynedd
- Pentre-cwrt, Sir Gaerfyrddin
- Wern-y-cwrt, Sir Fynwy
- Cwrt-y-defaid, Castell-nedd Port Talbot
- Cwrt Sart, Castell-nedd Port Talbot
- Cwrtnewydd, Sir Ceredigion
- Cydweli / Kidwelly, Sir Gaerfyrddin
- Pont Rhyd-y-cyff, Pen-y-bont ar Ogwr
- Cyffredin, Sir Benfro
- Cyffredyn, Powys
- Cyffylliog, Sir Ddinbych
- Pont-Cyfyng, Conwy
- Cymau, Sir y Fflint
- Pentre-llyn-cymmer, Conwy
- Cymmer / Cymer, Castell-nedd Port Talbot
- Cymmer, Rhondda Cynon Taf
- Cyncoed / Kingcoed, Sir Fynwy
- Cyncoed, Caerdydd
- Cynffig / Kenfig, Pen-y-bont ar Ogwr
- Ysbyty Cynfyn, Sir Ceredigion
- Cynghordy, Sir Gaerfyrddin
- Cynheidre, Sir Gaerfyrddin
- Twyn Cynhordy, Blaenau Gwent
- Merthyr Cynog, Powys
- Cynonville, Castell-nedd Port Talbot
- Cynwyd, Sir Ddinbych
- Cynwyl Elfed, Sir Gaerfyrddin
- Heol-y-Cyw, Pen-y-bont ar Ogwr
- Dafen, Sir Gaerfyrddin
- Tir-y-dail, Sir Gaerfyrddin
- Dale, Sir Benfro
- Dan-y-graig, Abertawe
- Danygraig, Caerffili
- Danygrug, Powys
- Danyrhelyg, Sir Gaerfyrddin
- Dardy, Powys
- Daren-felen, Sir Fynwy