Welsh Place Name List
Many historic sources, such as censuses, civil registration documents or wills may give different versions of a place name and be prepared for some strange spelling variations!
| Welsh Name | English Name | County Name |
|---|---|---|
| Aberafan | Aberavon | Glamorgan |
| Aberconwy | Conway | Carnarvon |
| Abercynffig | Aberkenfig | Glamorgan |
| Aberdâr | Aberdare | Glamorgan |
| Aberdaugleddau | Milford Haven | |
| Aberdyfi | ||
| Abergwaun | Fishguard | |
| Abermaw | Barmouth | |
| Aberpennar | Mountain Ash | |
| Aberhonddu | Brecon | |
| Abertawe | Swansea | Glamorgan |
| Aberteifi | Cardigan (town) | Cardigan |
| Arbeth | Narbeth | |
| Bangor Is Y Coed | Bangor On Dee | |
| Bimwares | Beaumaris | Gwynedd |
| Blaenafon | Blaenavon | |
| Brychdyn | Broughton | |
| Brynbuga | Usk | |
| Bwcle | Buckley | |
| Caerdydd | Cardiff | Glamorgan |
| Caerfyrddin | Carmarthen | Carmarthen |
| Caerffili | Caerphilly | |
| Caergybi | Holyhead | Gwynedd |
| Caernarfon | ||
| Cas-gwent | Chepstow | Monmouth |
| Casnewydd | Newport (Gwent) | Monmouth |
| Castellnewydd Emlyn | Newcastle Emlyn | |
| Castell-nedd | Neath | Glamorgan |
| Cei Conna | Connah's Quay | Flintshire |
| Ceredigion or Sir Aberteifi | Cardiganshire | |
| Chwitffordd | Whitford | Flintshre |
| Coed-duon | Blackwood | |
| Coed Llai | Leeswood | |
| Conwy | ||
| Crucywel | Crickhowell | |
| Cydweli | Kidwelly | |
| Dinbych | Denbigh | Denbighshire |
| Dinbych y Pysgod | Tenby | Pembroke |
| Erbistog | Erbistock | |
| Eryri | Snowdonia | |
| Glyn Ebwy | Ebbw Vale | |
| Helygain | Halkyn | Flintshire |
| Llanandras | Presteigne | |
| Llanbedr Pont Steffan | Lampeter | |
| Llandrindod | Llandrindod Wells | |
| Llanelwy | St. Asaph | |
| Llanelli | ||
| Llaneurgain | Northop | Flintshire |
| Llanfair-ym-muallt | Builth Wells | |
| Llanfor | ||
| Llanilltud Fawr | Llantwit Major | |
| Llanisien | Llanishen | |
| Llannerch Panna | Penley | |
| Llanymddyfri | Llandovery | |
| Llwchwr | ||
| Maesyfed | New Radnor | |
| Marchwiail | Marchwiel | |
| Merthyr Tudful | Merthyr Tydfil | Glamorgan |
| Mwynglawdd | Minera | |
| Niwbwrch | Newborough | Gwynedd |
| Owrtyn | Overton | |
| Penarlâg | Hawarden | |
| Penfro | Pembroke | Pembroke |
| Pen-y-bont (ar Ogwr) | Bridgend | |
| Ponciau | ||
| Porthaethwy | Menai Bridge | |
| Porthmadog | ||
| Porth Tywyn | Burry Port | |
| Rhaeadr | Rhayader | |
| Rhaglan | Raglan | |
| Rhiwabon | Ruabon (or |
Denbigh |
| Rhuthun | Ruthin | |
| Rhydaman | Ammanford | |
| Rhymni | Rhymney | |
| Trefaldwyn | Montgomery | |
| Trefalun | Allington | |
| Trefyclo | Knighton | |
| Trefynwy | Monmouth | Monmouth |
| Trefdraeth | Newport (Pembrokeshire) | Pembroke |
| Treffynnon | Holywell | |
| Trelawnyd | ||
| Treorci | Treorchy | |
| Tyddewi | St. David's | Pembroke |
| Wrecsam | Wrexham | Denbigh |
| Y Bers | Bersham | |
| Y Bontfaen | Cowbridge | |
| Y Drenewydd | Newtown | |
| Y Felinheli | ||
| Y Fenni | Abergavenny | |
| Y Gelli | Hay-on-Wye | |
| Yr Hôb | Hope | |
| Y Trallwng | Welshpool | |
| Y Waun | Chirk | |
| Yr Wyddfa | Snowdon | |
| Yr Wyddgrug | Mold | Flint |
| Ynys Enlli | Bardsey Island | |
| Ynys Môn | (Isle of) Anglesey |