Arwal is an emerging city as well as the administrative headquarters of Arwal district located in the Indian state of Bihar. It is situated at 25°15′N 84°41′E / 25.25°N 84.68°E / 25.25; 84.68. The city has got an average elevation of 67 metres and exists 220 ft above sea level. The district headquarters of Arwal is a part of the Magadh division located at the bank of River Son. It is at a distance of 65 kms from the state capital, Patna, towards the north.
Arwal is a fast developing city with agriculture being main source of income for most of the people. The city started developing tremendously ever since the Bihar government approved the construction of a bridge across the Son River at a cost of Rs.100 crores from Arwal to Sahar in Bhojpur district in March 2008. A majority of the population resides in villages and remote areas with most of them being farmers. The whole region is well irrigated due to the perfect management of water through canals. There are no instances of any industry or other business centre in this city, which is the reason behind its immense greenery.