East Wuzhu Muqin Banner, under the Inner Mongolia Autonomous Region Xilin Gol League. Located in the northeast of Xilin Gol League, it is joined by Holingol City, Zhalout Banner, Horqin Right Wing Middle Banner and Horqin Right Wing Front Banner in the east, bornto Xiuhuqin Banner in the south, linked to Xilin Hot City and Abagar Banner in the west, bornto Mongolia in the north, with a border length of 528.88 kilometers and a total area of 47,306 square kilometers. In 2021, East Wuzhu Muqin Banner has a permanent population of 69,700 and a registered population of 62,000. As of October 2021, East Wuzhu Muqin Banner has jurisdiction over 5 towns and 4 Su Mu.

Ujumuqin, a Mongolian tribal name, means the people of Grape Mountain. It is the core area of Xilin Gol grassland. The territory of the international perennial open land ports - - Ga da Buqi port. The Bogda Mountains are home to the Ouragai River (the second largest inland river in the country), the Serge River, and the Helastai River, with numerous lakes. It has a cold, windy and arid continental climate in the north temperate zone. There is one of the three salt lakes in Inner Mongolia, the Ejnuo Salt Pond. The salt lake covers an area of 25 square kilometers and the salt mine is distributed in an area of 20.19 square kilometers.

In 2021, the GDP of East Uzhumuqin Banner was 6.694 billion yuan, an increase of 7.3% over the previous year. Among them, the added value of the primary industry was 2.065 billion yuan, and that of the secondary industry was 2.546 billion yuan. The added value of tertiary industry is 2.082 billion yuan, and the proportion of tertiary industry is 30.9:38.0:31.1.