Wuzhou (historical prefecture in Ningxia and Gansu)

Wuzhou, or Wu Prefecture (武州), was a zhou (prefecture) in imperial China. It is in the border area of what is now southern Ningxia and Gansu, China. It was abolished in 958 under Later Zhou.

Geography
The administrative region of Wuzhou in the Tang dynasty is in modern Zhangjiakou, Hebei. It probably includes these areas:
 * Under the administration of Pingliang, Gansu:
 * Pingliang
 * Under the administration of Zhongwei, Ningxia:
 * Haiyuan County
 * Under the administration of Guyuan, Ningxia:
 * Guyuan
 * Xiji County
 * Jingyuan County
 * Longde County
 * Pengyang County