Former prefectures in Sichuan

thumb|Kuimen (夔門/夔门): the "Gateway of Kuizhou", Qutang Gorge (formerly Kui Gorge, or 夔峡, Kuixia), along the [[Yangzi River.]] thumb|Fengjie County in Chongqing Kui Prefecture, Kuizhou Circuit, or Kuizhou () was initially established in 619 CE, as a renaming of the existing Xin Prefecture. Kuizhou was an important area from the beginning and through the end of the Tang dynasty of China, when it was alternatively part of several of the Circuits which made up typical large scale political structural organizations of the Tang era. Kuizhou continued as a political entity through the end of the Song