Local Government Act 1972

Part I E+W Counties

(1)	(2)
Name of county	Area by reference to existing administrative areas
Clwyd	The administrative county of Flintshire. The administrative county of Denbigh except the parts to be comprised in the county of Gwynedd. In the administrative county of Merioneth, the rural district of Edeyrnion.
Dyfed	The administrative counties of Cardiganshire, Carmarthenshire and Pembroke.
Gwent	The county borough of Newport. The administrative county of Monmouthshire except the parts to be comprised in the counties of Mid Glamorgan and South Glamorgan. In the administrative county of Brecon:— the urban district of Brynmawr; in the rural district of Crickhowell, the parish of Llanelly.
Gwynedd	The administrative counties of Anglesey and Caernarvon. The administrative county of Merioneth except the rural district of Edeyrnion. In the administrative county of Denbigh:— the urban district of Llanrwst; in the rural district of Aled, the parish of Llansantffraid Glan Conway; in the rural district of Hiraethog, the parishes of Eglwysbach, Llanddoget, Llanrwst Rural and Tir Ifan.
Mid Glamorgan	The county borough of Methyr Tydfil. In the administrative county of Glamorgan:— the borough of Rhondda; the urban districts of Aberdare, Bridgend, Caerphilly, Gelligaer, Maesteg, Mountain Ash, Ogmore and Garw, Pontypridd and Porthcawl; the rural districts of Llantrisant and Llantwit Fardre and Penybont; in the rural district of Cardiff, the parishes of Llanfedw, Llanilterne, Pentyrch, Rhydygwern, Rudry and Van; in the rural district of Cowbridge, the parishes of Llanharan, Llanharry, Llanilid and Peterston-super-Montem; in the rural district of Neath, the parish of Rhigos. In the administrative county of Brecon, in the rural district of Vaynor and Penderyn, the parishes of Penderyn and Vaynor. In the administrative county of Monmouthshire:— the urban districts of Bedwas and Machen and Rhymney; in the urban district of Bedwellty, the Aberbargoed, Cwmsyfiog, New Tredegar and Phillipstown wards.
Powys	The administrative counties of Montgomeryshire and Radnorshire. The administrative county of Brecon except the parts to be comprised in the counties of Gwent and Mid Glamorgan.
South Glamorgan	The county borough of Cardiff. In the administrative county of Glamorgan:— the boroughs of Barry and Cowbridge; the urban district of Penarth; the rural district of Cardiff except the parishes of Llanfedw, Llanilterne, Pentyrch, Rhydygwern, Rudry and Van; the rural district of Cowbridge except the parishes of Llanharan, Llanharry, Llanilid and Peterston-super-Montem. In the administrative county of Monmouthshire, in the rural district of Magor and St. Mellons, the parish of St. Mellons.
West Glamorgan.	The county borough of Swansea. In the administrative county of Glamorgan:— the boroughs of Neath and Port Talbot; the urban districts of Glyncorrwg and Llwchwr; the rural districts of Gower and Pontardawe; the rural district of Neath except the parish of Rhigos.