Zhoushan, Zhejiang province, is the only prefecture-level island city in China and is located at the intersection of the Yangtze River and East China Sea. It is approximately 500 nautical miles from major ports in Northeast Asia and the western Pacific, and serves as a major gateway for ocean-river intermodal transport, connecting the Yangtze River Delta region to the outside world. Zhoushan plays an important role in both China's Belt and Road Initiative (BRI) and the Yangtze River Economic Belt Strategy.

The city is renowned for its Buddhist culture and fishing industry and is often called the "Buddha Realm between Sea and Sky" and the "City of Fishing and Ports". It attracts many tourists every year with its enchanting island scenery, delicious seafood, and profound Buddhist culture.

Zhoushan covers an area of 22,200 square kilometers (20,800 sq km of sea area and 1,440 sq km of land area), with 1,390 islands and a permanent population of 1.168 million. It is divided into two districts (Dinghai and Putuo) and two counties (Daishan and Shengsi).