Haining (Chinese: 海宁市) is a county-level city in Zhejiang Province, China, and under the jurisdiction of Jiaxing. It is in the south side of Yangtze River Delta, and in the north of Zhejiang. It is 125 kilometers west of Shanghai, and 61.5 kilometers east of Hangzhou, the capital of the province. To its south lies the Qiantang River. The city has a land area of 731.03 sq. kilometers and a population of 640,000. Haining is known for its leather industry and spectacular tide in the Qiantang River.