Bandjoun is a town and commune in the Koung-Khi Department in the West Region of Cameroon. Bandjoun is also the capital of the Koung-Khi department, and one of the largest traditional chefferie (chiefdom) in Bamiléké country. The chief dwells in Hialah, and has many wives.

The West Region is 14,000 km2 of territory located in the central-western portion of the Republic of Cameroon. It borders the Northwest Region to the northwest, the Adamawa Region to the northeast, the Centre Region to the southeast, the Littoral Region to the southwest, and the Southwest Region to the west. The West Region is the smallest of Cameroon's ten regions in area, yet it has the highest population density.