Zhoushan City is located in Zhoushan Islands, Zhejiang Province. It is located in the southeast coast of China, south of the Yangtze River Estuary, and on the East China Sea at the outer edge of Hangzhou Bay. The geographical location is between 121 ° 3O ′ - 123 ° 25 ′ E and 29 ° 32 ′ - 31 ° 04 ′ N, with a east-west length of 182 kilometers
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