Yuyu County is located in the northwestern border of Jin, under the city of Shuozhou, Shanxi Province. North and northwest to the ancient Great Wall as the boundary, and Inner Mongolia's Liangcheng, and Helinger County adjacent to the east of Datong City, Zuoyun County, south and Shanyin County, Pinglu District border. Yuyu County is surrounded by mountains, high in the south and low in the north, Cangtou River runs through the north and south, 45.7 kilometers wide from east to west and 67.7 kilometers long from north to south, with a total area of 1,964 square kilometers. The average altitude is 1400 meters, belonging to loess hills and gentle slope area. Youyu County is the "National Soil and Water Conservation Ecological Civilization County", "National Advanced County of Agricultural Water Conservancy Basic Construction", "the first batch of national food service food safety demonstration county". By 2014, Righteous County has 4 towns and 6 townships, 251 administrative villages, with a total population of 114,000, of which 57,000 are agricultural.