The River Afan is a river in Wales whose valley formed the territory of the medieval Lords of Afan. The Afan Valley encompasses the upper reaches of the river. The valley is traversed by the A4107 roa

Port Talbot was one of the four local government districts of the county of West Glamorgan, Wales from 1974 to 1996. The borough was initially called Afan, changing its name to Port Talbot in 1986.