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List of Welsh principal areas

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Politics of Wales
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Population in Wales is concentrated inSouth Wales and thenortheast; the remainder of the country is sparsely populated

This is a list of the 22principal areas of Wales^[1] giving their most recent date of creation and the style by which they are known.

Principal areas of Wales
Names		Style	Date created	Land area^[2]		Population (2024)^[2]	Density^[2]		Administrative centre
English	Welsh	Style	Date created	(km²)	(mi²)	Population (2024)^[2]	(/km²)	(/mi²)	Administrative centre
Isle of Anglesey	Ynys Môn	County	1996^[a]	712	275	69,097	97	250	Llangefni
Blaenau Gwent		County borough	1996	109	42	67,873	624	1,620	Ebbw Vale
Bridgend	Pen-y-bont ar Ogwr	County borough	1996	251	97	147,530	588	1,520	Bridgend
Caerphilly	Caerffili	County borough	1996	277	107	176,865	638	1,650	Ystrad Mynach
Cardiff	Caerdydd	County, city	1996^[a]	141	54	383,919	2,724	7,060	Cardiff
Carmarthenshire	Sir Gaerfyrddin	County	1996^[a]	2,370	920	190,800	80	210	Carmarthen
Ceredigion^[b]		County	1996	1,785	689	72,599	41	110	Aberaeron andAberystwyth
Conwy^[c]		County borough	1996	1,126	435	114,891	102	260	Conwy
Denbighshire	Sir Ddinbych	County	1996^[d]	837	323	98,202	117	300	Ruthin
Flintshire	Sir y Fflint	County	1996^[d]	440	170	155,867	354	920	Mold
Gwynedd^[e]		County	1974^[f]	2,535	979	120,813	48	120	Caernarfon
Merthyr Tydfil	Merthyr Tudful	County borough	1996^[a]	111	43	58,972	529	1,370	Merthyr Tydfil
Monmouthshire	Sir Fynwy	County	1996^[d]	849	328	94,930	112	290	Usk
Neath Port Talbot^[g]	Castell-nedd Port Talbot	County borough	1996	441	170	143,249	325	840	Port Talbot
Newport	Casnewydd	County borough, city	1996^[a]	190	73	167,899	882	2,280	Newport
Pembrokeshire	Sir Benfro	County	1996^[a]	1,618	625	125,761	78	200	Haverfordwest
Powys		County	1974	5,181	2,000	135,059	26	67	Llandrindod Wells
Rhondda Cynon Taf		County borough	1996	424	164	242,844	573	1,480	Pontypridd
Swansea	Abertawe	County, city	1996^[a]	378	146	251,304	666	1,720	Swansea
Torfaen		County borough	1996	126	49	94,119	749	1,940	Pontypool
Vale of Glamorgan	Bro Morgannwg	County borough	1996	331	128	135,743	410	1,100	Barry
Wrexham	Wrecsam	County borough, city	1996	504	195	138,245	274	710	Wrexham

Notes

[edit]

^^a ^b ^c ^d ^e ^f ^gRe-instated as a principal administrative authority after a gap
^Named as 'Cardiganshire' in legislation. Name changed by the council.
^Named as 'Aberconwy and Colwyn' in legislation. Name changed by the council.
^^a ^b ^cRe-instated as a principal administrative authority after a gap. Boundaries significantly altered in 1996 from its previous incarnation.
^Named as 'Caernarfonshire and Merionethshire' in legislation. Name changed by the council.
^Boundaries significantly altered in 1996 from its previous incarnation.
^Named as 'Neath and Port Talbot' in legislation. Name changed by the council.

References

[edit]

^"Local Government (Wales) Act 1994 - Schedule 1: The New Principal Areas".Legislation.gov.uk. The National Archives. 5 July 1994. Retrieved26 November 2020.
^^a ^b ^c"Mid-Year Population Estimates, United Kingdom, June 2024".Office for National Statistics. 26 September 2025. Retrieved26 September 2025.

v t e Lists of settlements in theUnited Kingdom
United Kingdom	Urban areas Cities Nicknames GVA
England	Districts by population area ethnic composition population density Most populated per county Towns Combined authorities
Wales	Lists of places Built-up areas Principal areas by date / population / area / density percentage Welsh language Communities Cities Towns Economic regions Ports and harbours
Scotland	Localities / settlements Council areas by population / density / area Scottish Gaelic speakers Burghs Community council areas Ports and harbours
Northern Ireland	Localities Districts by population / density / area religion or religion brought up in national identity Pre-2015 districts Towns and villages

v t e Principal areas of Wales
Areas	Blaenau Gwent Bridgend Caerphilly Cardiff Carmarthenshire Ceredigion Conwy Denbighshire Flintshire Gwynedd Isle of Anglesey Merthyr Tydfil Monmouthshire Neath Port Talbot Newport Pembrokeshire Powys Rhondda Cynon Taf Swansea Torfaen Vale of Glamorgan Wrexham
Lists	Date / population / area Welsh speakers Highest point Councils Council armorials

Geography of Wales

Geography of the United Kingdom

Physical

Environment

Land use

Administrative

Subdivisions	Local government history Cantref Commote Marches lords law Hundreds Historic counties by area 1831 1891 1844–1974 exclaves by population in 1971 Poor law unions Local districts 1848–1894 1894–95 1896–1974 UDs RDs 1973 Preserved counties districts Principal areas list Communities list Electoral wards Built-up areas Regions for economy
Settlements	Places Cities capital Towns Twin towns with Brittany all lists
Toponymy	General forms of place-names Caer Llan Pil Welsh Place-Name Society In other countries in the United States Standardised Welsh