Haiyuan County, under the Ningxia Hui Autonomous Region of Zhongwei City. Located between 105°09 '-106°10' east longitude and 36°06 '-37°04' north latitude, it is located in the central and southern part of Ningxia Hui Autonomous Region, located in the arid belt of central Ningxia, connected with Yuanzhou District of Guyuan City in the east, Xiji County in the south, Jingyuan County and Huining County of Baiyin City, Gansu Province in the west, and Shapotou District and Tongxin County of Zhongwei City in the north. It is 95 kilometers long from north to south and 80 kilometers wide from east to west. It covers an area of 4989.6 square kilometers. It has jurisdiction over 17 towns, 1 Ganyanchi sheep farm, 1 sub-district office, 1 nature reserve, and Haicheng Town, the resident of the government. According to the seventh census, the permanent population of Haiyuan County was 333,518 as of midnight on November 1, 2020.

Haiyuan County is a large agricultural population county with arid mountainous areas, old revolutionary base areas and Hui inhabited areas. It is also a key county in the national poverty alleviation work. Haiyuan County was named "Hometown of Chinese Folk Culture and Art" by the Ministry of Culture for the folk art of "Flower paper-cutting". Within the territory of Nanhua Mountain, Lingguang Temple and other tourist attractions. In March 2020, Haiyuan County was removed from the list of poverty-stricken counties.

In 2021, the GDP of Haiyuan County was 8.897 billion yuan, an increase of 8.0%. The added value of the primary industry was 1.551 billion yuan, and that of the secondary industry was 1.980 billion yuan; The value added of the tertiary industry was 5.366 billion yuan, up by 7.0 percent.