As of 2010, Gangu County has jurisdiction over 5 townships and 10 townships: Daxishan Township, Anyuan Township, Liufeng Township, Xinxing Township, Pan'an Township, Xiping Township, Bailiwan Township, Baijiawan Township, Jinshan Township, Dashi Township, Xiejiawan Township, Gupo Township, Lixing Township, Dazhuang Township, and Wujiahe Township.