Zhoushan locates south to the mouth of the Yangtze River, and it is in the coastal area of eastern Zhejiang in the fringe of Hangzhou Bay. Zhoushan is the only city built on the basis of a group of islands, the Zhoushan Archipelago. The city is an important pass to the opening up of the Yangtze River Basin and the delta area due to its location. As an important city on the East China Sea, the area is listed in the World's four largest fishing grounds.
Zhoushan Main Island is the fourth largest island after Hainan, Taiwan and Chongming islands. The whole city consists of some one thousand islands of all sizes with ninety-eight of them inhabited. It has a vast sea area over twenty thousand kilometers (about 7,722 miles). Zhoushan administers two districts and two counties. The city currently consists of 36 township-level divisions, including 17 towns, 5 townships and 14 sub districts.
Zhoushan had relied heavily on the primary industry, especially the fishing, which gave Zhoushan is the largest fishery in China. Nowadays with the development of the secondary and tertiary industries, Zhoushan's economic base has been largely diversified. Ship building and repairing, shipping, light industry, tourism and service industry grow to be the major contributors of local economic output.
Fishery, Taoist culture and seashore contribute a lot to the development of the city. Centered by the three main features, the city has several festivals annually.
Seafood Festival: in Shenjiamen Port, Zhoushan Main Island, during July to October
Putuo Mountain Nanhai Kwan-yin Cultural Festival: in Putuo Mountain during November
International Sand-sculpture Festival: in Nansha Scenic, Zhujiajian Town (Zhujiajian is the fifth largest island southeast of Zhoushan), during July to October