Rupauli is a taluk headquarters town in the Purnia District of Bihar. The town is located about 37 km south of Purnia, the district headquarters. Goria (8 km south), Falka (17 km north) and Dumra (15 km south) are the nearby towns.
Katihar Junction Railway Station, on the Araria- Kumedpur rail route, serves this town. Patna Airport is the nearest airport.