Huainan is a prefecture-level city with 2,334,000 inhabitants in central Anhui, China. It is named for the Han-era Principality of Huainan.
It borders the provincial capital of Hefei to the south, Lu'an to the southwest, Fuyang to the west, Bozhou to the northwest, Bengbu to the northeast and Chuzhou to the east. Huainan is one of the core cities of Hefei Metropolitan Circle and is known for its coal industry and thermal power plants. Its built-up area is home to 1,938,212 inhabitants in 2010. Its city flower is the Chinese rose (Rosa chinensis) and its city tree is the Old-World Plane Tree (Platanus orientalis). It is also considered to be the hometown and birthplace of tofu. The prefecture-level city of Huainan administers seven county-level divisions, including five districts and two counties. Tianjia'an District (田家庵区)Panji District (潘集区)Xiejiaji District (谢家集区)Datong District (大通区)Bagongshan District (八公山区)Fengtai County (凤台县)Shou County (寿县)These are further divided into 66 township-level divisions, including 24 towns, 23 townships and 19 subdistricts. Shannan New Area (山南新区)The urban centre is located on a plain on the south bank of the Huai River, bordering Gaotang Lake on the east and forested hill area on the south.