This is a List of Welsh principal areas by population density in the 2001 UK census. For local government purposes, Wales is divided into 22 unitary authorities. ... Census 2001 is the name by which the national census conducted in the United Kingdom on Sunday 29 April 2001 is known. ...

The Norman Keep, Cardiff Castle. ... Newport (Welsh: Casnewydd) is the third largest city in Wales (after Cardiff and Swansea). ... Torfaen (sometimes hyphenated Tor-faen) is a county borough in South Wales. ... Blaenau Gwent is a county borough and parliamentary constituency in South Wales. ... Caerphilly [county borough] is a local government principal area in southern Wales, straddling the boundary between the traditional counties of Glamorgan and Monmouthshire. ... Swansea (Welsh: Abertawe, mouth of the Tawe) is a city and county in South Wales, situated on the coast immediately to the east of the Gower Peninsula. ... Rhondda Cynon Taff (Welsh: Rhondda Cynon T f) is a county borough in Glamorgan, South Wales. ... Bridgend is a county borough in Glamorgan, southern Wales. ... Merthyr Tydfil (Welsh: Merthyr Tudful) is a town and county borough in the traditional county of Glamorgan, south Wales, with a population of about 55,000. ... The Vale of Glamorgan (Welsh: Dyffryn (or Bro) Morgannwg) is an exceptionally rich agricultural area in the southern part of Glamorgan, Wales. ... Flintshire (Welsh Sir y Fflint) is a county in northern Wales. ... Neath Port Talbot (Welsh: Castell-nedd Port Talbot) is a county borough in Glamorgan, south Wales. ... Wrexham is a county borough in northern Wales. ... Denbighshire (Welsh: Sir Ddinbych) is a county in North Wales. ... Monmouthshire (Welsh: Sir Fynwy) is both a principal area and a traditional county in south-east Wales. ... Conwy [county borough] is a local government principal area in north Wales. ... Anglesey (Welsh: Ynys Môn, pronounced (IPA), roughly unniss mawn), is an island and county at the north western extremity of north Wales. ... Carmarthenshire (Welsh: Sir Gaerfyrddin) is a county in Wales. ... Pembrokeshire (Welsh: Sir Benfro) is a county in the south-west of Wales in the United Kingdom. ... Gwynedd is an administrative county in Wales, named after the old Kingdom of Gwynedd. ... For other uses please see Ceredigion (disambiguation) Ceredigion is a county in Wales. ... Powys is an administrative county in Wales, over 2000 sq. ...

See also

• List of Welsh principal areas by population
• List of Welsh principal areas by area