Shanghai, referred to as "Hu" or "Shen", is a provincial administrative region, municipality directly under the central government of the People's Republic of China, a national central city, a megacity, a core city of Shanghai metropolitan area, approved by The State Council and determined China's international economic, financial, trade, shipping, scientific and technological innovation center. As of 2019, the city has jurisdiction over 16 distr

Shanghai, referred to as "Hu" or "Shen", is a provincial administrative region, municipality directly under the central government of the People's Republic of China, a national central city, a megacity, a core city of Shanghai metropolitan area, approved by The State Council and determined China's international economic, financial, trade, shipping, scientific and technological innovation center. As of 2019, the city has jurisdiction over 16 districts, with a total area of 6,340.5 square kilometers and a built-up area of 1,237.85 square kilometers. At midnight on November 1, 2020, the permanent population was 24.8709 million. Shanghai is located in the east of China, the Yangtze River estuary, East China Sea, north and west of Jiangsu and Zhejiang provinces, the boundary between 120°52 '-122°12' east longitude, 30°40 '-31°53' north latitude. During the Warring States Period, Shanghai was a vassal of Chun Shen, so it was nicknamed Shen. In the Jin Dynasty, because the fishermen created fishing tools "Hu", the river into the sea called "blasphemy", so the lower Songjiang area called "Hu", and then changed to "Hu", so Shanghai is referred to as "Hu".

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