Jie Prefecture (Gansu)

Jiezhou or Jie Prefecture (階州) was a zhou (prefecture) in imperial China in modern Longnan, Gansu, China. It existed (intermittently) from 892 to 1913.

Geography
The administrative region of Jiezhou in the Tang dynasty falls within modern Longnan in southern Gansu. It probably includes modern:
 * Wudu District
 * Kang County