Inarwa is a Village (previously: a VDC) in Janaknandini rural council of Dhanusha District in Province No. 2 of south-eastern Nepal. Inarwa belongs to ward no. 1 of the Janaknandini rural council. At the time of the 1991 Nepal census it had a population of 3,094.
Inarwa is served by a train station where Nepal Railway has regular services.