Mahagadhimai Municipality is one of the five municipalities in Bara district, which is made up of the former Mahagadhimai Municipality, Bariyarpur, Ganjbhawanipur, Babuain, Dahiyar, Telkuwa, Patrahatti, Madhurijabdi, Kawahijabdi, Piprabirta, Prashurampur(1), Majhariya(8), Maheshpur(1) village councils. This municipality was established in BS 2073. Karaiyamai Rural Municipality and Pachrauta Rural Municipality are located in the east of this municipality, Kalaiya Sub-metropolitan Municipality in the west, Karaiyamai Rural Municipality in the north, and Devtal and Swarna Rural Municipality in the south. This municipality, which has an area of ​​55.32 sq. km, is inhabited by a multi-caste population. Mainly, Yadav, Gupta, Chaudhary, etc. are mixed. The population of this municipality, which has a total of 11 wards, is B.S. According to the 2068 National Census, the population is 54,474.