Bela Baiju is a village in Patahi tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Bela Baiju was 6,767 which includes 3,566 males and 3,201 females. Bela Baiju covers 362.97 ha area. Pincode of Bela Baiju is 845457.