Purnia is the seat of administration of Purnia District, in Bihar. The town is a major center for trade and commerce in the district. Purnia is situated 240 km east of Patna.
Places of tourist interest include Kajha Kothi, Kali Bari Mandir and Matha Asthan. The hill station of Darjeeling is just 200 km away.
Nearest airport is at Patna. Purnia railway station has trains to
Araria, Katihar and Patna.
National Highway 31 passes through Purnia.