The list of standardised Welsh place-names, for places in Caerphilly County Borough, is a list compiled by the Welsh Language Commissioner to recommend the standardisation of the spelling of Welsh place-names, particularly in the Welsh language and when multiple forms are used, although some place-names in English were also recommended to be matched with the Welsh. The list contains 133 entries, as of November 2023.

The list is based on recommendations provided by the Place-names Standardisation Panel, convened by the Commissioner, for expert advice on the standardisation of Welsh place-names. The panel bases their decisions on a set of guidelines (currently dating to June 2023), specific to Welsh settlement names (such as those of villages, towns, and cities) and topographic features (such as lakes, mountains and rivers). The panel does not cover house or building names, although similar principles could be applied to them or to names for new developments (for which the Commissioner offers their own advice to local authorities and housing developers). The panel may also have used additional guidelines.

The list was first published in 2018, and took years to put together. Upon creation, these lists were published under the Open Government Licence 3.0.

List

Recommended standardised namesNot recommended namesTypeGrid reference Welsh English Welsh English Aberbargod Aberbargoed Aberbargoed Settlement SO1500 Aber-carn Aber-carn Abercarn Settlement ST2194 Abertridwr Abertridwr Settlement ST1289 Abertyswg Abertyswg Abertysswg Settlement SO1305 Argoed Argoed Settlement SO1700 Bargod Bargoed Bargoed Settlement ST1499 Bedwas Bedwas Settlement ST1789 Bedwellte Bedwellty Settlement SO1600 Berllangollen Berllangollen Settlement ST1986 Black Vein Black Vein Settlement ST2291 Blaencarno Blaencarno Settlement SO0908 Blaenrhymni Blaenrhymni Area SO1010 Britannia Britannia Settlement ST1698 Brithdir Brithdir Settlement SO1501 Bryn Bryn Settlement ST1695 Brynawel Brynawel Settlement ST1991 Caerffili Caerphilly Settlement ST1586 Cefn Fforest Cefn Fforest Settlement ST1697 Cefn Hengoed Cefn Hengoed Settlement ST1495 Cefn Mabli Cefn Mably Settlement ST2284 Cefn-y-pant Pantside Settlement ST2197 Celynnen Celynnen Settlement ST2195 Chapel of Ease Chapel of Ease Settlement ST2295 Chatham Chatham Settlement ST2189 Coed-duon Blackwood Settlement ST1797 Coed-y-brain Coed-y-brain Settlement SO1500 Croespenmaen Croespenmaen Settlement ST1998 Crosskeys Crosskeys Settlement ST2291 Crymlyn Crumlin Settlement ST2198 Cwm-carn Cwm-carn Cwmcarn Settlement ST2193 Cwmcorrwg Cwmcorrwg Settlement ST1799 Cwmfelin-fach Cwmfelin-fach Cwmfelinfach Settlement ST1891 Cwmgelli Cwmgelli Settlement ST1798 Cwm-nant-gwynt Cwm-nant-gwynt Settlement SO2001 Cwmnantyrodyn Cwmnantyrodyn Settlement ST1895 Cwmsyfïog Cwmsyfïog Settlement SO1502 Dan-y-graig Dan-y-graig Settlement ST2390 Deri Deri Settlement SO1201 Draethen Draethen Settlement ST2287 Y Drenewydd Bute Town Settlement SO1009 Eglwysilan Eglwysilan Settlement ST1288 Eneu'r-glyn Energlyn Settlement ST1488 Y Fan Van Settlement ST1686 Fernlea Fernlea Settlement ST2491 Fochriw Fochriw Settlement SO1005 Gelli-gaer Gelli-gaer Gelligaer Settlement ST1396 Gelli-groes Gelli-groes Settlement ST1794 Gelli-haf Gelli-haf Settlement ST1695 Gilfach Gilfach Settlement ST1598 Glan-y-nant Glan-y-nant Settlement ST1497 Glyn-gaer Glyn-gaer Settlement ST1497 Graig-y-rhaca Graig-y-rhaca Graig-y-Rhacca Settlement ST1989 Groes-faen Groes-faen Settlement SO1300 Groes-wen Groes-wen Settlement ST1286 Gwrhay Gwrhay Settlement ST1899 Hafodyrynys Hafodyrynys Settlement ST2299 Hendredenny Hendredenny Settlement ST1387 Hengoed Hengoed Settlement ST1495 Heol-ddu Heol-ddu Settlement ST1499 Heol-ddu Uchaf Heol-ddu Uchaf Settlement ST1499 Kendon Kendon Settlement ST1998 Llanbradach Llanbradach Settlement ST1490 Llancaeach Llancaeach Llancaiach Settlement ST1196 Llanfabon Llanfabon Llanvabon Settlement ST1093 Llan-fach Llan-fach Settlement ST2295 Llechryd Llechryd Settlement SO1009 Llwyncelyn Hollybush Settlement SO1603 Machen Machen Settlement ST2189 Maes-y-coed Woodfieldside Settlement ST1796 Maesycwmwr Maesycwmer Settlement ST1594 Maesyffynnon Springfield Settlement ST1895 Man-moel Man-moel Settlement SO1703 Markham Markham Settlement SO1601 Mynyddislwyn Mynyddislwyn Settlement ST1994 Nantyceisiad Nantyceisiad Settlement ST2089 Nelson Nelson Settlement ST1195 Oakdale Oakdale Settlement ST1898 Ochrwyth Ochrwyth Settlement ST2389 Parc Hendredenny Hendredenny Park Settlement ST1387 Parc Lansbury Lansbury Park Settlement ST1687 Parc Mawr Parc Mawr Settlement ST1191 Parc Watford Watford Park Settlement ST1486 Penallta Penallta Settlement ST1395 Pengam Pengam Settlement ST1597 Penllwyn Penllwyn Settlement ST1795 Penmaen Penmaen Settlement ST1897 Penpedairheol Penpedairheol Settlement ST1497 Pen-rhiw Pen-rhiw Settlement ST2491 Pentrapiod Pentrapiod Settlement SO1901 Pentref-y-groes Pentref-y-groes Settlement ST1998 Pen-twyn Pen-twyn Settlement SO1004 Pen-twyn Pen-twyn Settlement SO2000 Pentwyn-mawr Pentwyn-mawr Settlement ST1996 Pen-y-banc Pen-y-banc Settlement SO1103 Pen-y-bryn Pen-y-bryn Settlement ST1396 Pen-y-fan Pen-y-fan Settlement SO1900 Penyrheol Penyrheol Settlement ST1488 Phillipstown Phillipstown Settlement SO1403 Pontllan-fraith Pontllan-fraith Pontllanfraith Settlement ST1896 Pontlotyn Pontlotyn Pontlottyn Settlement SO1106 Pontymister Pontymister Settlement ST2490 Pont-y-waun Pont-y-waun Settlement ST2292 Princetown Princetown Settlement SO1109 Pwll-y-pant Pwll-y-pant Settlement ST1588 Rhisga Risca Settlement ST2490 Rhiw Rhiw Settlement ST2098 Rhiw'r-perrai Ruperra Settlement ST2286 Rhydri Rudry Settlement ST1986 Rhymni Rhymney Settlement SO1107 Senghenydd Senghenydd Settlement ST1190 Tai'rheol Tai'rheol Settlement ST1094 Tir-phil Tir-phil Tir-Phil Settlement SO1303 Tir-y-berth Tir-y-berth Settlement ST1596 Tonypistyll Tonypistyll Settlement ST1996 Trecelyn Newbridge Settlement ST2197 Trecenydd Trecenydd Settlement ST1487 Tredegar Newydd New Tredegar Settlement SO1403 Tredomen Tredomen Settlement ST1394 Tref Elliot Elliot's Town Settlement SO1402 Trelyn Fleur-de-lis Settlement ST1596 Treowen Treowen Settlement ST2098 Trethomas Trethomas Settlement ST1888 Trinant Trinant Settlement ST2099 Troedrhiw'r-fuwch Troedrhiw'r-fuwch Settlement SO1304 Tŷ Sign Tŷ Sign Settlement ST2490 Ty'n-y-coedcae Waterloo Settlement ST1988 Wattsville Wattsville Settlement ST2091 Wern-ddu Wern-ddu Area ST1785 West End West End Settlement ST2195 Wyllie Wyllie Settlement ST1794 Y Graig The Rock Settlement ST1798 Ynys-ddu Ynys-ddu Ynysddu Settlement ST1792 Ystrad Mynach Ystrad Mynach Settlement ST1494

References