1. Cardiff – 348,535
Capital and largest urban area in Wales; cultural, government and entertainment hub.
2. Swansea – 170,085
Second major city on the coast; known for beaches, university and maritime heritage.
3. Newport – 130,890
River city in South Wales; historic port and growing commercial centre.
4. Barry – 56,605
Coastal town near Cardiff with leisure beaches and holiday-focused attractions.
5. Bridgend – 51,760
South Wales town between Cardiff and Swansea; industrial centre with growing suburbs.
6. Cwmbran – 47,090
New town development in Torfaen; strong retail and commuter population.
7. Wrexham – 44,785
Largest urban area in North Wales and awarded city status in 2022; industrial and civic centre.
8. Llanelli – 42,155
West Wales coastal town noted for steel heritage and sporting culture.
9. Neath – 40,730
Valleys town near Swansea; historically industrial with growing services sector.
10. Merthyr Tydfil – 39,535
Former coal‑mining capital of Wales; rich industrial history and regional education centre.
11. Aberdare – 37,675
Cynon Valley town with heritage architecture and population linked to former mining communities.
12. Caerphilly – 33,105
Famous for its large Norman castle; suburban town within Cardiff metropolitan area.
13. Pontypridd – 31,900
Gateway to the Valleys north of Cardiff; strong cultural identity and transport links.
14. Port Talbot – 31,555
Steel-industry town on South Wales coast; major heavy industrial base.
15. Colwyn Bay – 29,275
North Wales seaside resort with tourism economy and coastal setting.
The above is subject to change.
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