Maharajganj Subdivision is a subdivision out of two subdivisions of Siwan district (One out of 101 Subdivisions of Bihar). It comprises 6 Blocks of Siwan. Maharajganj Subdivision comprises of area and the population of the subdivision (according to the 2011 census of India) is 10,41,905 individuals.

Blocks of Maharajganj Subdivision C.D. Block Area (KM2) Population (2011)Lakri Nabiganj95.21 1,28,899Goriakothi138 223,709Basantpur62.22 1,05,229Bhagwanpur Hat 149.402,20,651Maharajganj115.481,90,217Daraundha126.60 1,73,200

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