Sheohar is an administrative district in the state of Bihar in India. The district headquarters are located at Sheohar, and the district is a part of Tirhut Division. This district was carved out of Sitamarhi district in 1994. Eminent Hindi Novelist, Dr.Bhagwati Sharan Mishra was the first District magistrate of Sheohar.The district occupies an area of 443 km² and has a population of 514,288 (as of 2001).This district has mixed population of Hindus and Muslims. Agriculture is the main stay.