Pentre is a town, neighborhood and also electoral ward near Treorchy in the Rhondda valley, dropping within the area borough of Rhondda Cynon Taf, Wales. The town's name is extracted from the Welsh word Pentref, which converts as homestead, though Pentre is called after a huge farm that dominated the area prior to the coming of industrialisation. The neighborhood absorbs the neighbouring town of Ton Pentre. 2 of one of the most remarkable services to have actually existed in the Rhondda were both developed in Pentre; the Pentre Breweries and the Rhondda Engine Works. Population 5,232 (2011 ).