Lanzhou or Lan Prefecture (嵐州) was a zhou (prefecture) in imperial China seated in modern Lan County in Shanxi, China. It existed (intermittently) from 623 to 1369.
Contents
Map of Lvliang, Shanxi, China
Geography
The administrative region of Lanzhou in the Tang dynasty is in Shanxi. It probably includes parts of modern:
References
Lan Prefecture (Shanxi) Wikipedia(Text) CC BY-SA