IntroductionShanghai (shăngˈhĪˈ, shängˈhĪˈ) [key], city and municipality (2010 pop. 23,019,148), in, but independent of, Jiangsu prov., E China, on the Huangpu (Whangpoo) River where it flows into the Chang (Yangtze) estuary. It is an independent unit (2,400 sq mi/6,218 sq km) administered directly by the central government. One of the world's great seaports, Shanghai is China's largest city.
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