West Glamorgan is a preserved county and former
administrative county of Wales, one of the divisions of the ancient
county of Glamorgan.
West Glamorgan was created on 1 April 1974, by the Local Government
Act 1972 from the county borough of Swansea, the municipal boroughs
of Neath and Port Talbot, the urban districts of Glyncorrwg and
Llwchwr, Gower Rural District, Pontardawe Rural District, and all of
Neath Rural District except the parish of Rhigos. From 1982, the
main council offices were located in County Hall, Swansea.