Huan County

Huan County or Huanxian (simplified Chinese: 环县; traditional Chinese: 環縣; pinyin: Huán Xiàn) 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 2019 was 316,703. Huanxian is known as one of the first places in China where agriculture was practiced. It was part of ancient Yongzhou. In 994 it was known as Huanzhou. In 1369 it became known as Huanxian. In 1669 Huanxian and the governing Qingyang were transferred from Shaanxi to Gansu.