Which dynasty did Yuhang belong to?

Sui dynasty. According to the official website of Hangzhou. Com, the site of Xiaogucheng is located in Xiaogucheng Village, Yuhang District. Yuhang county was established as early as the 25th year of Ying Zheng, King of Qin (222 BC). It was once the seat of the state administration of Hangzhou in the Sui Dynasty and the auxiliary administration of the Southern Song Dynasty. Yuhang is a rare ancient town with a history of 2,000 years in Zhejiang Province.