Hangzhou or Hang Prefecture (589–1129) was a zhou (prefecture) in imperial China located in modern northern Zhejiang, China, around modern Hangzhou. The prefecture was called Yuhang Commandery from 607 to 621 and from 742 to 758. Hang Prefecture was the capital of the Wuyue kingdom (907–978), inside which it was known as Xi Prefecture (Western Prefecture), and during its last years of the kingdom, as Qiantang Prefecture.