Shanghai is one of the world's largest seaports and a major industrial and commercial centre of China. The city is located on the coast of the East China Sea between the mouth of the Yangtze River to the north and the bays of Hangchow and Yü-p'an to the south. The municipality's area includes the city itself, surrounding suburbs, and an agricultural hinterland; it is also China's most populous urban area.:loveliness: :loveliness: