Senedd constituencies and electoral regions

The Senedd, the unicameral parliament of Wales, has 40 single-member constituencies () and five multi-member electoral regions ().

The boundaries and names of the 40 constituencies are the same as those in the House of Commons in the Westminster Parliament.

Constituencies
Current constituencies
 Constituency
(Welsh name)Electoral population (March 2020)Principal Areas of Wales Electoral region Aberavon51,450Neath Port Talbot South Wales West Aberconwy45,426Conwy North Wales Alyn and Deeside65,183Flintshire; Wrexham North Wales Arfon43,125Gwynedd North Wales Blaenau Gwent51,495Blaenau Gwent South Wales East Brecon and Radnorshire55,124Powys Mid and West Wales Bridgend64,245Bridgend South Wales West Caerphilly64,926Caerphilly; Newport South Wales East Cardiff Central63,017Cardiff South Wales Central  Cardiff North69,143Cardiff South Wales Central Cardiff South and Penarth81,366Cardiff South Wales Central  Cardiff West69,511Cardiff South Wales Central  Carmarthen East and Dinefwr58,048Carmarthenshire Mid and West Wales Carmarthen West and South Pembrokeshire59,924Carmarthenshire; Pembrokeshire Mid and West Wales Ceredigion56,634Ceredigion Mid and West Wales Clwyd South54,747Denbighshire; Wrexham North Wales Clwyd West58,024Conwy; Denbighshire North Wales Cynon Valley51,461Rhondda Cynon Taf South Wales Central  Delyn55,604Conwy; Flintshire North Wales Dwyfor Meirionnydd44,882Gwynedd Mid and West Wales Gower62,763Swansea South Wales West Islwyn56,841Caerphilly South Wales East Llanelli62,196Carmarthenshire; Swansea Mid and West Wales Merthyr Tydfil and Rhymney57,883Caerphilly; Merthyr Tydfil South Wales East Monmouth67,252Monmouthshire South Wales East Montgomeryshire49,691Powys Mid and West Wales Neath57,032Neath Port Talbot South Wales West Newport East60,936Newport South Wales East Newport West68,748Newport South Wales East Ogmore57,934Rhondda Cynon Taf South Wales West Pontypridd60,923Rhondda Cynon Taf South Wales Central  Preseli Pembrokeshire60,025Pembrokeshire Mid and West Wales Rhondda50,471Rhondda Cynon Taf South Wales Central  Swansea East60,726Swansea South Wales West Swansea West59,419Swansea South Wales West Torfaen63,061Torfaen South Wales East Vale of Clwyd56,307Denbighshire North Wales Vale of Glamorgan77,204Vale of Glamorgan South Wales Central  Wrexham52,713Wrexham North Wales Ynys Môn52,610Isle of Anglesey North Wales

Former constituencies
Former constituencyPreserved countyRegion of former constituencyReplacement constituencies and regionsCaernarfonGwyneddNorth WalesArfon, North Wales electoral regionDwyfor Meirionnydd, Mid and West Wales electoral regionConwyClwydNorth WalesArfon, North Wales electoral regionGwyneddAberconwy, North Wales electoral regionMeirionnydd Nant ConwyClwydMid and West WalesAberconwy, North Wales electoral regionGwyneddDwyfor Meirionnydd, Mid and West Wales electoral region

Electoral regions
Electoral region
(Welsh name)Number of constituenciesConstituencies
(ordered alphabetically)Electoral population (March 2020)Image
(numbered alphabetically)Mid and West Wales8Brecon and Radnorshire, Carmarthen East and Dinefwr, Carmarthen West and South Pembrokeshire, Ceredigion, Dwyfor Meirionnydd, Llanelli, Montgomeryshire, Preseli Pembrokeshire446,524200pxNorth Wales9Aberconwy, Alyn and Deeside, Arfon, Clwyd South, Clwyd West, Delyn, Vale of Clwyd, Wrexham, Ynys Môn483,739200pxSouth Wales Central8Cardiff Central, Cardiff North, Cardiff South and Penarth, Cardiff West, Cynon Valley, Pontypridd, Rhondda, Vale of Glamorgan523,096200pxSouth Wales East8Blaenau Gwent, Caerphilly, Islwyn, Merthyr Tydfil and Rhymney, Monmouth, Newport East, Newport West, Torfaen491,142200pxSouth Wales West7Aberavon, Bridgend, Gower, Neath, Ogmore, Swansea East, Swansea West413,569200px

Related pages
 List of UK Parliament constituencies in Wales

References

Category:Lists of constituencies in the United Kingdom