Maharajganj is a Sub-District (Tehsil/Block/Mandal) in the Siwan District of Bihar. As par Census 2011 information the sub-district code of Maharajganj is 01236. There are about 19 sub-districts in Siwan and Maharajganj is one of them. Andar, Barharia, Basantpur, Bhagwanpur Hat, Darauli, Daraundha, Goriakothi, Guthani, Hasanpura, Hussainganj, Lakri Nabiganj, Mairwa, Nautan, Pachrukhi, Raghunathpur, Siswan, Siwan, Ziradei etc. are other sub-districts in Siwan.There are about 67 villages in Maharajganj sub-district, which you can browse from villages list.