Guizhou or Gui Prefecture (桂州) was a zhou (prefecture) in imperial China centering on modern Guilin, Guangxi, China. It existed (intermittently) from 507 to 1133.
Geography
The administrative region of Guizhou in the Tang dynasty falls within modern Guilin in northeastern Guangxi. It probably includes modern:
References
Gui Prefecture (Guangxi) Wikipedia(Text) CC BY-SA