Huainan is a prefecture-level city under the jurisdiction of Anhui Province.

Located in the hinterland of East China, in the north-central part of Anhui Province, it borders Chuzhou City to the east, Hefei City to the southeast, Lu'an City to the southwest, Fuyang City to the west, and Bozhou City and Bengbu City to the north.

It has a warm temperate monsoon climate.

The total area under its jurisdiction is 5,533 square kilometers, with jurisdiction over 5 districts and 2 counties, 1 comprehensive social development experimental zone, and 2 development zones.

Since Huainan is a prefecture-level city, Huainan is Huainan City, Anhui Province.