Dàtóng is a prefecture-level city in northern Shanxi province, People's Republic of China, located a few hundred kilometres west by rail from Beijing with an elevation of 1,040 metres (3,410 ft). It has a population of 3,318,057 at the 2010 census of whom 1,447,150 live in the built up area made of 3 out of 4 urban districts, namely Chengqu, Kuangqu and Nanjiao