Williamstown is a suburban area in Tonypandy, Rhondda, Cynon, Taff
Other current and historical names
Edmondstown
Trewiliam
Penrhiwfer
Built-Up Area: Tonypandy
Parish/Community: Pen-y-graig
Unitary Authority: Rhondda, Cynon, Taff
Region: Wales
Category: Populated Place
Type: Suburban Area
Latitude/Longitude: 51°36'28"N 3°26'34"W
Eastings/Northings: 300180, 190870
OS Grid: ST001908
Mapcode Local: GBR HL.9SVN
Mapcode Global: VH6DH.8VRB
Location and coordinates are for the approximate centre of Williamstown within this administrative area.
Geographic features and populated places may cross administrative borders.