Mao Prefecture

Maozhou or Mao Prefecture (634–1913) was a "zhou" (prefecture) in imperial China located in modern northern Sichuan, around modern Mao County. From 742 to 758 it was called Tonghua Commandery.
Situated near the Tibetan frontier, it occasionally fell under Tibetan control.
Geography.
The administrative region of Maozhou in the Tang dynasty is in modern northern Sichuan. It probably includes modern: