Yichang, alternatively romanized as Ichang, is a prefecture-level city located in western Hubei province, China. It is the second largest city in the province after the capital, Wuhan. The Three Gorges Dam is located within its administrative area, in Yiling District. As of the 2010 census, its population was 4,059,686 inhabitants of whom 1,350,150 lived in the built-up (or metro) area consisting of Yiling, Xiling, Wujiagang and Dianjun urban districts. The Xiaoting District has not yet been urbanized.