Leiyang

Leiyang () is a county-level city and the third most populous county-level division in Hunan Province, China. Leiyang is under the administration of the prefecture-level city of Hengyang. 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, and to the east by Anren County. Leiyang City covers with a registered population of 1,413,913 and resident population of 1,150,241 (as of the 2010 census). The city has six subdistricts, 19 towns and five townships under its jurisdiction. The government seat is Caizichi Subdistrict.

==History== thumb|Leiyang in March 2012 Leiyang is the hometown of Cai Lun, the inventor of papermaking technology, one of the Four Great Inventions. It has more than 2,000 years of history as an ancient city named after the north of Lei River. Archaeological excavation proved that as early as the Neolithic Age, people have lived in the territory of Leiyang.