Bengbu (Chinese: 蚌埠; pinyin: Bèngbù; Wade–Giles: Peng-pu) is a mid-sized city in northern Anhui Province, China. Its built-up (or metro) area made of 4 urban districts has nearly one million residents, though the Prefecture-level city under its jurisdiction had 3,164,467 registered residents at the 2010 census.