Dong Uzhumqin Banner, belonging to Xilingol League of the Inner Mongolia Autonomous Region. Located in the northeastern part of Xilin Gol League, it is connected to Huolinguole City, Zalut Banner and Horqin Right-wing Middle Banner and Horqin Right-wing Front Banner in the east, Xiwuzhumuqin Banner in the south, Xilinhot City and Abaga Banner in the west, and Mongolia in the north, with a length of 528.88 kilometers of the national border, and a total area of 47,306 square kilometers.In 2021, Dongwuzhumuqin Banner has a permanent population of 69,700 people, and the total household population of 62,020 people. . As of October 2021, Dong Uzhumqin Banner under the jurisdiction of five towns, four soums. Uzhumqin is the name of a Mongolian tribe, meaning the people of the Grape Mountain. It is the core area of the Xilingol prairie. Within the territory of the international year-round open land port - Zhu Nga Dabuqi port. Baogda Mountain is the birthplace of Wulagai River (the second largest inland river in China), Seyaleji River and Hailastai River, with numerous lakes. It belongs to the north temperate continental climate, cold, windy, arid, there is one of the three major salt lakes in Inner Mongolia, Eji Nur salt pond, salt lake area of 25 square kilometers, salt mine distribution area of 20.19 square kilometers, containing more than 24.3 million tons of salt reserves, the annual mining capacity of 150,000 tons. In 2021, the gross regional product of Dongwuzhumqin Banner was 6.694 billion yuan, an increase of 7.3% over the previous year. Among them, the added value of primary industry is 2.065 billion yuan, and the added value of secondary industry is 2.546 billion yuan. The added value of tertiary industry is 2.082 billion yuan, and the ratio of three industries is 30.9:38.0:31.1.