Dao Prefecture
Daozhou or Dao Prefecture was a zhou in imperial China centering on modern Dao County, Hunan, China. In the Yuan dynasty it was known as Daozhou Route and in the Ming dynasty as Daozhou Prefecture. It existed from 634 to 1913.Geography
The administrative region of Daozhou in the Tang dynasty falls within modern Yongzhou in southern Hunan. It probably includes modern: