Dingcheng District (simplified Chinese: 鼎城区; traditional Chinese: 鼎城區; pinyin: Dǐngchéng Qū) is one of two urban districts in Changde City, Hunan Province, China; it is also the 2nd most populous district (after Heshan District) in Hunan. The district is bordered to the north by Anxiang County, Jinshi City and Linli County, to the west by Taoyuan County, to the north by Anhua and Taojiang Counties, to the east by Hanshou County, Wuling District is in the central west of Dingcheng District. Dingcheng is the largest district by population or by area in Hunan, it has an area of 2,322.5 kilometres (1,443.1 mi) with 764,700 of registered population (as of 2015). It is divided into four subdistricts, 19 towns and one township, its government seat is Hongyun Subdistrict (红云街道).