Huan County
Huan County or Huanxian is an administrative district in eastern Gansu province, China at the junction of three provinces: Gansu, Shaanxi to the northeast, and Ningxia to the west and northwest. It is under the administration of the prefecture-level city of Qingyang.
Its postal code is 745700, and the population in 2010 numbered around 358,000.Transportation
