Hefei, formerly known as Hofei, Luzhou, or Luchow, is the capital and largest city of Anhui Province in Eastern China. A prefecture-level city, it is the political, economic, and cultural centre of Anhui. Located in the central portion of the province, it borders Huainan to the north, Chuzhou to the northeast, Chaohu to the southeast and Lu'an to the west.
Hefei has an area of 11,434.25 km2 (4,414.79 sq mi) and, at the 2013 census, a population of 7,611,000 inhabitants. Its built-up area ("metro") was home to 5,031,123 inhabitants at the 2010 census encompassing all urban districts and Feidong and Feixi counties largely being urbanized.