Lu'an is a prefecture-level city in western Anhui Province, People's Republic of China, with a population of 5,612,590 inhabitants at 2010 census. Its built up area is home to 1,482,729 inhabitants spread out on 2 urban districts. It borders the provincial capital city Hefei to the east, Huainan to the northeast, Fuyang to the north, Chaohu City to the southeast, Anqing to the south, and the Province of Henan to the west. Although the first character (literally: "six") is normally pronounced "Liu", in this case it changes to "Lu" on account of the local dialect. Not to be confused with Luan County, is a county of Hebei, China.