Jehanabad district is one of the thirty-eight districts of Bihar state, India, and Jehanabad town is the administrative headquarters of this district. Jehanabad district is a part of Magadh Division. This district is 45 km from Patna, the capital of Bihar and 43 km from gaya.Jehanabad is located on the confluence of two small rivers called Dardha and Yamunaiya. It is the heartland of Magadha and the local dialect is called Magahi.