Purnia district is one of the districts of Bihar, and Purnia town is the administrative headquarters of this district. Purnia district is a part of Purnia Division.
It existed in 1951 with an area of 12784.64 sq. km. and a population of 25,25,231 has been pre-eminently an agricultural district.After separating the Katihar District, the area of Purnia District was 7943 sq. km. and accounts for 4.56 % of the state area. In the year 1990 , the district was split two more districts namely Araria and Kishanganj. Now the present area of the Purnia District is 3202.31 sq. kms. , Bordering Araria district in north, Katihar and Bhagalpur district in South, West Dinajpur district of W.B. and Kishanganj district of Bihar in east and Madhepura and Saharsa District in the west. It is situated between 25 degree 13 minutes 80 seconds and 27-degree 7 minutes 59 seconds north latitude and between 86 degree 59 minutes 6 seconds and 87-degree 52 minutes 35 seconds east longitude.
