Arwal district is a part of Magadh division. It came into existence in August 2001 and was earlier part of Jehanabad district.
This District has one subdivision and five blocks ie. Arwal, Kaler, Karpi, Kurtha and Suryapur Vanshi.
This District has two assembly constituency. 214-Arwal,215-Kurtha.It comes under Jehanabad Parlimentry Constituency.
Nearest airport is at Patna and railway station is at Patna. By road, Arwal is linked with Jehanabad, Patna and Aurangabad and Bhojpur(Through Arwal Sahar Bridge).
Economy of the district is totally agriculture Based and this area does not have any presence of any Industry. Paddy, wheat and maize are the main crops. Though most of the area of the district is well irrigated but due to lack of infrastructure and power- farmers are not benefitted.