Datong is a prefecture-level city in northern
Shanxi province, People's Republic of China, located in a basin at an elevation of and bordering
Inner Mongolia to the north and west and
Hebei to the east. It had a population of 3,318,057 at the 2010 census of whom 1,629,035 lived in the built up area made of 3 out of 4 urban districts, namely
Chengqu,
Kuangqu and
Nanjiao District.