Williamstown,_Rhondda_Cynon_Taf
Williamstown, Rhondda Cynon Taf
Human settlement in Wales
Williamstown (Welsh: Trewiliam) is a village in the Rhondda Valley in the county borough of Rhondda Cynon Taf, within the historic county boundaries of Glamorgan, Wales. Williamstown was founded in the 1870s, is located at the foot of Mynydd Dinas and is a district of neighbouring village Penygraig.