Shanghai is the most populous city in China and one of the most populous city in the world. A global city, Shanghai exerts influence over global commerce, finance, culture, art, fashion, research and entertainment. The city is located at the middle portion of the Chinese coast, and sits at the mouth of the Yangtze.
Shanghai is often regarded as the centre of finance and trade in mainland China. Modern development began with the economic reforms in 1992, a decade later than many of the Southern Chinese provinces, but since then Shanghai quickly overtook those provinces and maintained its role as the business centre in mainland China. Shanghai also hosts the largest share market in mainland China.