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 km (78 mi) to the southwest of central Shanghai, and 61.5 km (38.2 mi) east of Hangzhou, the provincial capital. To its south lies the Qiantang River. The city has a land area of 700.5 km2 (270.5 sq mi) and as of the 2020 census, had a population of 1,076,199 inhabitants. Haining is known for its leather industry and spectacular tide in the Qiantang River. Since June 2021, it's linked to Hangzhou by the new suburban Hangzhou - Haining subway Line.

Jiaxing, alternately romanized as Kashing, is a prefecture-level city in northern Zhejiang province, China. Lying on the Grand Canal of China, Jiaxing borders Hangzhou to the southwest, Huzhou to the west, Shanghai to the northeast, and the province of Jiangsu to the north. As of the 2020 census, its population was 5,400,868 and its built-up area made of 2 urban districts was home to 1,518,654 inhabitants.