Bahrain Left Banner, belonging to Chifeng City, Inner Mongolia Autonomous Region. It is located in the north of Chifeng City, neighboring with Arukolqin Banner in the east, bordering with Bahrain Right Banner in the west and south, and bordering with Xiwuzhumuqin Banner of Xilingol League in the north, with a total area of 6,644 square kilometers.In 2021, Bahrain Left Banner had a resident population of 276,100 people, with 15 ethnic minorities and a population of 172,300 ethnic minorities. As of October 2021, Bahrain Left Banner has 2 streets, 7 towns, 2 townships and 2 soums under its jurisdiction. Bahrain is one of the oldest tribes in Mongolia, and the name was first used in the 13th century in the Mongolian book "The Secret History of Mongolia", with the word "Bahrain" meaning "fortress". Qing Shunzhi five years (1648), will be divided into the left and right wing of the Department of Bahrain. 1950, renamed "Bahrain Left Banner". 1983, zhaowuda alliance to chifeng city, Bahrain left banner under the. 2020, March, the people's government of the Inner Mongolia Autonomous Region approved the exit from the poor flag county sequence of Bahrain left banner. In 2021, the gross regional product of Bahrain Left Banner was 14.29 billion yuan, which was 7.8% higher than the previous year according to the comparable price. Among them, the added value of primary industry is 2.93 billion yuan, the added value of secondary industry is 5.25 billion yuan; the added value of tertiary industry is 6.11 billion yuan, and the ratio of the three industries is 20.5:36.8:42.7.