Dai Commandery was a commandery of the state of Zhao established c. 300 BC and of northern imperial Chinese dynasties until the time of the Emperor Wen of the Sui dynasty. It occupied lands in what is
Dai County, also known by its Chinese name Daixian, is a county in Xinzhou, Shanxi Province, China. Its county seat at Shangguan is also known as Daixian. The county has an area of 1,729 km2 and had a
Dai Commandery
…the Emperor Wen of the Sui dynasty (r. AD 581–604). It occupied lands in what is now Hebei, Shanxi, and Inner Mongolia. Its seat was usually at Dai or Daixian (near present-day Yuzhou in Hebei), although it was moved to Gaoliu (present-day Yanggao in Shanxi) during the Eastern Han. The name derives from the…