Tangzhou or Tang Prefecture (唐州), briefly known as Bizhou or Bi Prefecture (泌州) from 906 to the late 940s, was a zhou (prefecture) in imperial China seated in modern Tanghe County in Henan, China.
The administrative region of Tangzhou in the Tang dynasty is in southern Henan.
It probably includes parts of modern:
This Chinese location article is a stub.
You can help Wikipedia by expanding it.This article related to the history of China is a stub.