Anqing (, also Anking, formerly Hwaining) is a prefecture-level city in the southwest of Anhui province, People's Republic of China. It borders Lu'an to the north, Hefei and Wuhu to the northeast, Tongling to the east, Chizhou to the southeast, and the provinces of Jiangxi and Hubei to the south and west respectively. Its population was 5,311,579 at the 2010 census, with 780,514 living in the built-up (or metro) area made of 3 urban districts, Yixiu, Yingjiang and Dongzhi.