Daudnagar town is a City Council cum Subdivisional Headquarter in Aurangabad district in the state of Bihar, India under Magadh division. Daudnagar has old verifiable fortification, this stronghold is arranged on the eastern bank of the Son River and NH139 goes through this town. Daudnagar was established by Daud Khan, a Governor of Bihar under Aurangzeb in the seventeenth of Palamu fortress from the Cheros and it is said that while once more from this success he stayed outdoors here and established the town known after him.
The encompassing zone was likewise allowed to him as a Jagir by the ruler. Right off the bat in the eighteenth century Buchanan considered it to be a prospering town with material and opium industrial facilities. The sarai worked by Daud Khan was, maybe truly intended to be a fortification; for it was very much strengthened with a battlemented divider, two expansive entryways and a channel all around. In the distant piece of the town called Ahmadganj is the tomb of Ahmad Khan. Daudnagar is a City Council city in locale of Aurangabad, Bihar. The Daudnagar city is separated into 27 wards for which decisions are held like clockwork.