Qingzhou or Qing Prefecture (慶州) was a zhou (prefecture) in imperial China centering on modern Qingyang in Gansu, China. It existed (intermittently) from 596 to 1125.
Geography
The administrative region of Qingzhou in the Tang dynasty is in Qingyang in eastern Gansu near the border with Shaanxi. It probably includes parts of modern:
References
Qìng Prefecture Wikipedia(Text) CC BY-SA