Leiyang (simplified Chinese: 耒阳; traditional Chinese: 耒陽; pinyin: Lěiyáng) is a county-level city and the third most populous county-level division in Hunan Province, China. Leiyang is under the administration of Hengyang prefecture-level City. Located on the south of the province, the city is bordered to the north by Hengnan County, to the west by Changning City, to the south by Guiyang and Yongxing Counties, to the east by Anren County. Leiyang City covers 2,656 km2 (1,025 sq mi) with registered population of 1,413,913 and resident population of 1,150,241 (as of the 2010 census). The city has 6 subdistricts, 19 towns and 5 townships under its jurisdiction, the government seat is Caizichi Subdistrict (蔡子池街道).