Hengoed is a town on the west side of the Rhymney Valley - between Ystrad Mynach to the south as well as Cefn Hengoed to the north. Throughout the valley it looks towards Maesycwmmer. The town remains in the region borough of Caerphilly, in the typical area of Glamorgan, Wales. The name literally suggests 'old timber' in the Welsh language. The selecting ward of Hengoed consists of the towns of Hengoed and Cefn Hengoed and also a part of Tir-y-Berth in the north west. The ward population was recorded at 5,548 in the 2011 census, an increase of 10% over the previous 10 years (2001 = 5,046), due partly to a number of new-build housing developments in the ward between 2001 as well as 2011.