Wuzhou or Wu Prefecture (武州) was a zhou (prefecture) in imperial China. It is in the modern border area of 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 parts of modern:
References
Wuzhou (historical prefecture in Ningxia and Gansu) Wikipedia(Text) CC BY-SA