Wuhu (simplified Chinese: 芜湖; traditional Chinese: 蕪湖; pinyin: Wúhú; literally "Weedy Lake") is a prefecture-level city in southeastern Anhui province, China. Sitting on the southeast bank of the Yangtze River, Wuhu borders Xuancheng to the southeast, Chizhou and Tongling to the southwest, Hefei to the northwest, Ma'anshan to the northeast, and the province of Jiangsu to the east, and is approximately 90 km (56 mi) southwest of Nanjing. Its population was 3,545,067 inhabitants at the 2010 census whom 1,264,539 in the built-up (or metro) area made of 3 out of 4 urban districts (all but Sanshan not yet continuously urbanized).[clarification needed]