List of Welsh principal areas

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Population in Wales is concentrated in South Wales and the northeast; the remainder of the country is sparsely populated Wales Principal Areas Density Map.svg
Population in Wales is concentrated in South Wales and the northeast; the remainder of the country is sparsely populated

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

Principal areas of Wales
NamesStyleDate
created		Land area [2] Population (2024) [2] Density [2] Administrative centre
EnglishWelsh(km2)(mi2)(/km2)(/mi2)
Isle of Anglesey Ynys MônCounty1996 [a] 71227569,09797250 Llangefni
Blaenau Gwent County borough19961094267,8736241,620 Ebbw Vale
Bridgend Pen-y-bont ar OgwrCounty borough199625197147,5305881,520 Bridgend
Caerphilly CaerffiliCounty borough1996277107176,8656381,650 Ystrad Mynach
Cardiff CaerdyddCounty, city1996 [a] 14154383,9192,7247,060 Cardiff
Carmarthenshire Sir GaerfyrddinCounty1996 [a] 2,370920190,80080210 Carmarthen
Ceredigion [b] County19961,78568972,59941110 Aberaeron and Aberystwyth
Conwy [c] County borough19961,126435114,891102260 Conwy
Denbighshire Sir DdinbychCounty1996 [d] 83732398,202117300 Ruthin
Flintshire Sir y FflintCounty1996 [d] 440170155,867354920 Mold
Gwynedd [e] County1974 [f] 2,535979120,81348120 Caernarfon
Merthyr Tydfil Merthyr TudfulCounty borough1996 [a] 1114358,9725291,370 Merthyr Tydfil
Monmouthshire Sir FynwyCounty1996 [d] 84932894,930112290 Usk
Neath Port Talbot [g] Castell-nedd Port TalbotCounty borough1996441170143,249325840 Port Talbot
Newport CasnewyddCounty borough, city1996 [a] 19073167,8998822,280 Newport
Pembrokeshire Sir BenfroCounty1996 [a] 1,618625125,76178200 Haverfordwest
Powys County19745,1812,000135,0592667 Llandrindod Wells
Rhondda Cynon Taf County borough1996424164242,8445731,480 Pontypridd
Swansea AbertaweCounty, city1996 [a] 378146251,3046661,720 Swansea
Torfaen County borough19961264994,1197491,940 Pontypool
Vale of Glamorgan Bro MorgannwgCounty borough1996331128135,7434101,100 Barry
Wrexham WrecsamCounty borough, city1996504195138,245274710 Wrexham

See also

Notes

  1. 1 2 3 4 5 6 7 Re-instated as a principal administrative authority after a gap
  2. ↑ Named as 'Cardiganshire' in legislation. Name changed by the council.
  3. ↑ Named as 'Aberconwy and Colwyn' in legislation. Name changed by the council.
  4. 1 2 3 Re-instated as a principal administrative authority after a gap. Boundaries significantly altered in 1996 from its previous incarnation.
  5. ↑ Named as 'Caernarfonshire and Merionethshire' in legislation. Name changed by the council.
  6. ↑ Boundaries significantly altered in 1996 from its previous incarnation.
  7. ↑ Named as 'Neath and Port Talbot' in legislation. Name changed by the council.

References

  1. ↑ "Local Government (Wales) Act 1994 - Schedule 1: The New Principal Areas". Legislation.gov.uk. The National Archives. 5 July 1994. Retrieved 26 November 2020.
  2. 1 2 3 "Mid-Year Population Estimates, United Kingdom, June 2024". Office for National Statistics . 26 September 2025. Retrieved 26 September 2025.
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