Ciyu is a town located in Lingshou County within the western region of Hebei Province, China. It is situated in the eastern foothills of the Taihang Mountains, approximately 17 kilometres north-northwest of the county seat.
As of 2023, the town administers 33 distinct villages, including Ciyu Village, Fengjiazhuang Village, and Longtiangou Village. The administrative area encompasses a variety of local settlements such as Heishan Village, Fenghuanglou Village, and several others distributed throughout the region.