Zhenglan Banner, a flag under the jurisdiction of Xilingol League in the Inner Mongolia Autonomous Region, is located in the central part of the Inner Mongolia Autonomous Region and the southern part of Xilingol League, at the eastern end of the northern foothills of the Yinshan Mountains, with a mid-temperate continental monsoon climate, adjacent to eight banners and counties (cities), with a total area of 10,182 square kilometers. As of October 2022, Zhenglan Banner governs 3 towns, 4 soums, and another 2 townships. As of the end of 2022, Zhenglanqi had a household population of 83,807. Zhenglan Banner, belonging to the masses of the popular name, is the original belongs to the left wing of the eight banners of the Qing dynasty Chahar Zhenglan Banner, the flag for the pure blue and named. Qing dynasty qianlong twenty-six years (1761), is the blue flag under the chahar dutong; Republic of China seventeen years (1928), changed to belong to the chahar province; Republic of China thirty-six years (1947) in May, is the blue flag (Na Ritu) with the chahar alliance to the leadership of the autonomous government of Inner Mongolia; September 11, 1956, the abolition of the Mingan too right united flags, will be the area (in addition to the bragan taohe suimu) and into the blue flag of the Administrative area, under the Chahar League; September 26, 1958, approved by the State Council, the Chahar League abolished, the Zhenglan Banner will be assigned to the jurisdiction of Xilingol League. The main attractions of Zhenglanqi include the Yuan Shangdu Ruins, Inner Mongolia Zhenglanqi Shangdu River National Wetland Park, and the Little Zagstai Nur Ring Lake, etc. In April 2020, Zhenglanqi was selected as one of the "Fifth List of Civilized Cities of the Inner Mongolia Autonomous Region".On November 25, 2020, Zhenglanqi was selected as one of the "Third Batch of Standard Counties for the Construction of Water-saving Society". On November 25, 2020, Zhenglan Banner was selected as one of the "third batch of counties (districts) that have reached the standard of water-saving society construction". In 2022, Zhenglan Banner will realize a gross domestic product (GDP) of 7.12 billion yuan, up 3.3% year-on-year; the ratio of added value of the first, second and third industries will be 15.9:53.4:30.7; the general public budget revenue will be 322 million yuan, up 27.55% year-on-year; investment in fixed assets will increase by 34.5% year-on-year; the disposable income per capita of urban and rural residents will be 36,473 yuan, up 7.0% year-on-year. Year-on-year growth of 7.0%.