Youyu County, under the Shuozhou City of Shanxi Province, is located in the northwest end of Shanxi Province, with a total area of 1,969 square kilometers. By 2021, Youyu County has jurisdiction over 4 towns and 4 townships, with the county government stationed in new towns. According to the seventh census, the permanent population of Youyu County was 88,212 as of midnight on November 1, 2020.

Youyu County, called Shanwu County in ancient times, has been a fortress in northern China since ancient times. It has been occupied by ethnic minorities in northern China since the Spring and Autumn Period. Qing Yongzheng three years (1725), set up Youyu County, Shuo Ping House, the government set up Youyu. Youyu County has 109 national road, 241 National Road, Dahu Highway, Zhuenchi Railway through the entire territory. Youyu County has kill tiger Mouth, Youyu Spirit Exhibition Hall, Cangtou River Wetland Park and other scenic spots. On June 30, 2020, Youyu County was selected into the "List of Counties for the second batch of Revolutionary Cultural Relics Protection and Utilization".

In 2019, Youyu County's GDP grew by 10.6% year on year. The added value of industrial enterprises above designated size increased by 10.4%; A 10 per cent increase in fixed asset investment; Total retail sales of consumer goods increased by 8%; Revenue in the general public budget was 440 million yuan, an increase of 3.55%; The per capita disposable income of urban and rural permanent residents reached 26,568 yuan and 9,106 yuan, up 9.4% and 15.7%, respectively. In 2020, the GDP of the region will reach 8.53 billion yuan, an increase of 1.4 percent.