Coordinates: 51°39′40″N 3°48′14″W / 51.661°N 3.804°W
Neath (Welsh: Castell-nedd) was one of the four local government districts of West Glamorgan, Wales from 1974 to 1996. It was formed from the municipal borough of Neath, along with all of Neath Rural District apart from Rhigos parish, which went to Cynon Valley district.
In 1996 it merged with the district of Port Talbot to form Neath Port Talbot County Borough.