Dasi Town, belonging to Xiqing District of Tianjin, is located in the southwest of Tianjin and the east of Xiqing District, adjacent to Jinnan District in the east, Wang Jianzhuang Town in the south, Jingwu Town in the west, and Liqizhuang Street in the north by the Outer Ring Road, with a total area of 78.36 square kilometers. As of the end of 2019, Dasi Town had a household population of 44,366.
During the Western Han Dynasty, the territory of the current Dasi Township belonged to Dongpingshu County, Bohai County; in December 1995, it was changed from Dasi Township to Dasi Township. As of June 2020, Dasi Township has 5 communities and 15 administrative villages under its jurisdiction, and the township's people's government is located at No. 1 Jingshui Road.
As of the end of 2019, Dasi Town has 367 industrial enterprises, including 42 above scale, and 121 general stores or supermarkets with business area over 50 square meters.