Changsha County, commonly known as Xingsha, is a county in Hunan Province, China. It is under the administration of the prefecture-level city of Changsha. Located in the west portion of Changsha, the county is bordered to the north by Miluo City and Pingjiang County, to the west by Wangcheng, Kaifu and Furong Districts, to the southwest by Yuhua District, and to the southeast and the east by Liuyang City. Changsha County covers 1,756 km2 (678 sq mi). As of 2015 it has a registered population of 743,000 and a permanent resident population of 916,000. The county has 5 subdistricts and 13 towns under its jurisdiction. The county seat is Xingsha Subdistrict (星沙街道).