Huai'an, formerly called Huaiyin until 2001, is a prefecture-level city in central Jiangsu province of Eastern China. It borders Lianyungang, Suqian to the north, Yancheng to the northeast, Yangzhou to the southeast, and Nanjing and Chuzhou to the southwest.As of the 2010 census the municipality had 4,799,889 inhabitants, of whom 2,494,013 lived in the four urban districts.
