Hezhong Prefecture

Puzhou or Pu Prefecture, also known as Hezhong Prefecture between 760 and 1369 (and briefly in 720) and Puzhou Prefecture between 1728 and 1912, was a "zhou" or "fu" (prefecture) in imperial China, centering on modern Yongji, Shanxi, China. It existed (intermittently) from 558 until 1912.