Helan County is a county under the jurisdiction of Yinchuan City, Ningxia Hui Autonomous Region, located in the north of Ningxia Hui Autonomous Region. The Western Han Dynasty belonged to Lian County, and it belonged to Ningxia County in the second year of Yongzheng in Qing Dynasty. It was renamed Helan County in 194 1. The land area of Helan County is 1204.7438+0 km2.

Helan county belongs to temperate continental climate. The annual average temperature is 9.7℃, the extreme maximum temperature is 36.90℃, the extreme minimum temperature is -24℃, and the annual precipitation is138.8mm. ..