Xiá PrefectureXiázhou or Xiá Prefecture was a zhou in imperial China centering on modern Yichang, Hubei, China. It existed from the 6th century to 1376.GeographyThe administrative region of Xiá Prefecture in the Tang dynasty is under the administration of modern Yichang, Hubei. It probably includes parts of modern: YichangYiduChangyang Tujia Autonomous CountyYuan'an County