Shanghai, referred to as "Shanghai" or "Shen", is the People's Republic of China *** and the country's provincial-level administrative regions, municipalities, national central cities, mega-cities, the core city of the Shanghai metropolitan area, the State Council approved the determination of China's international economic, financial, shipping, science and technology innovation center, trade, shipping, science and technology innovation center.
As of 2021, the city has 16 districts under its jurisdiction, with a total area of 6,340.5 square kilometers.At the end of 2021, the city's resident population was 24,894,300.
Shanghai is located between longitude 120°52′-122°12′ East and latitude 30°40′-31°53′ North,[25] in East China, on the west coast of the Pacific Ocean, the eastern edge of the Asian continent, and the leading edge of the Yangtze River Delta; it is bordered by the East China Sea to the east, Hangzhou Bay to the south, and Jiangsu and Zhejiang provinces to the west. Jiangsu and Zhejiang provinces in the west, and the Yangtze River at the mouth of the sea in the north.
Shanghai is a subtropical monsoon climate with four distinct seasons. The average altitude of Shanghai is 2.19 meters, and Dajinshan Island is the highest point of Shanghai, with an altitude of 103.7 meters. Shanghai's river network mainly consists of the Huangpu River, the main waterway flowing through the city, and its tributaries Suzhou River, Chuanyang River and Dianpu River.
Shanghai is a national historical and cultural city. About 6,000 years ago, the western part of present-day Shanghai was already a landmass. During the Spring and Autumn Period and the Warring States Period, Shanghai was the fief of Lord Chunshen, so it was nicknamed Shen.
During the Jin Dynasty, fishermen created the fishing tool "Hu", and the place where the river flowed into the sea was called "Dushi", so the area around the lower reaches of the Song River was called "Hu Dushi", and later changed to "Shanghai". "Shanghai", so Shanghai is shortened to "Shanghai".