Shanghai, China Shanghai is one of the four municipalities under the direct administration of the central government of the People's Republic of China, the largest city in China by population. Shanghai has been described as the 'showpiece' of the booming economy of mainland China renowned for its Lujiazui skyline, museums and historic buildings, such as those along The Bund, as well as the City God Temple and the Yu Garden. Shanghai is the commercial and financial center of China.