Inarbarwa is a village in Ramnagar tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Inarbarwa was 1,462 which includes 757 males and 705 females. Inarbarwa covers 155.23 ha area. Pincode of Inarbarwa is N/A.