Which municipality governs Haining City?

Jiaxing City.

According to Baidu Map, Haining City, also known as Chaocheng, is a county-level city under the jurisdiction of Zhejiang Province and administered by Jiaxing City. It is located in the northern part of Zhejiang Province, on the Hangjiahu Plain, on the north bank of the Qiantang River, and adjacent to Haiyan County in the east. It is adjacent to the Qiantang River in the south.

Haining City has many scenic spots, such as Haining Chao, the wonder of the world, the Prime Minister’s Mansion Style Street, the Mizong Temple of the Sea, Huacai Leather City, Haining China Leather City, etc.