Bajar Keraia is a village in Madhubani tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Bajar Keraia was 1,337 which includes 687 males and 650 females. Bajar Keraia covers 154 ha area. Pincode of Bajar Keraia is 845104.