Bhagalpur is located in the southern region of Bihar. It is one of the oldest districts of Bihar and is situated in the Ganga basin at 141 ft above the sea level. The city is spread on an area of 2569 sq. km. It Lies between 25° 07′ – 25° 30′ N Latitude and between 86° 37′ – 87° 30’E longitude. The district is surrounded by Munger, Khagaria, Madhepura, Purnea, Katihar and Banka districts of Bihar, Godda and Sahebganj districts of Jharkhand.
Bhagalpur district comprises three(3) Sub-Divisions: Bhagalpur Sadar, Kahalgaon and Naugachia.