Arwal town serves as the district’s administrative center. Arwal district is one of the 38 districts in the Indian state of Bihar. It was formerly a part of the district of Jehanabad.

After Sheikhpura and Sheohar, it is the third-least populated district in Bihar (out of 38) as of 2011.Bihar’s Arwal District is a small district. The majority of individuals work in the primary sector.