Belwatia is a village in Piprakothi tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Belwatia was 2,088 which includes 1,099 males and 989 females. Belwatia covers 235 ha area. Pincode of Belwatia is 845429.