Tribeniganj is located in Supaul District
. It is approximately 180 km north-east of Patna
- the state capital.
By road, the town is directly connected with Pipra (13 km west) and Chhatapur (17 km north). Other town close to Tribeniganj is Bhargama (south-east) and Chhatapur (east).
Supaul, the district headquarters, is 30 km west. Patna Airport is the nearest airport. Supaul Railway Station is the nearest railhead.