Sunit Right Banner, belonging to Xilingol League of the Inner Mongolia Autonomous Region. It is located in the central part of Inner Mongolia Autonomous Region and the western part of Xilingol League. It is bordered by Sunit Left Banner and Dianhuang Banner in the east, Chahar Right Wing Rear Banner and Shangdu County in the south, Siziwang Banner in the west, and Erlianhot City and Mongolia in the north, with a national border length of 18.15 kilometers, and a total area of 22,300 square kilometers.At the end of 2022, Sunit Right Banner had a permanent resident population of 60,100 people. As of October 2021, Sunit Right Banner has 3 towns and 4 soums under its jurisdiction. During the Warring States period, the nomadic people living on the Mongolian Plateau had developed from a number of primitive clan tribes to form the Xiongnu, Donghu, Dingzhu, Yuezhi and other nomadic tribal alliances. Ming, set up Sunit Right Flag.In 1957, Erlianhot Town was promoted to the county-level city of Erlianhot.In 1980, it was reallocated to the jurisdiction of Xilingol League.In April 2019, the People's Government of the Inner Mongolia Autonomous Region approved the withdrawal of Sunit Right Flag from the sequence of impoverished flags and counties. In 2022, the gross regional product of Sunit Right Banner was 4,715,950,000 yuan, an increase of 2.4% over the previous year at constant prices.