Zhengning County

Zhengning County
正宁县
A home in rural Zhengning
Zhengning in Qingyang
Qingyang in Gansu
Coordinates: 35°29′30″N 108°21′36″E / 35.4917°N 108.3600°E / 35.4917; 108.3600
CountryChina
ProvinceGansu
Prefecture-level cityQingyang
County seatShanhe
Area
  Total
1,319.5 km2 (509.5 sq mi)
Population
 (2018)
  Total
244,900
  Density190/km2 (480/sq mi)
Time zoneUTC+8 (China Standard)
Postal code
745300
Websitewww.zninfo.gov.cn

Zhengning County is a county in the east of Gansu province, China, bordering Shaanxi province to the east and south. It is under the administration of the prefecture-level city of Qingyang. Its postal code is 745300, and its population in 1999 was 225,043 people.

It was established in 420 AD during the Northern Wei dynasty as Yongzhou County. In 598 during the Sui dynasty it became Luochuan County, named after the county seat Luochuan. By the Tang dynasty it was named Zhenning County, and received the current name Zhengning during the Qing dynasty.

In 1635, rebel leader Li Zicheng fought a battle against Ming dynasty general Cao Wenzhao (zh:曹文诏) in Zhengning.