Hasti Bairia is a village in Gaunaha tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Hasti Bairia was 116 which includes 61 males and 55 females. Hasti Bairia covers 162.6 ha area. Pincode of Hasti Bairia is N/A.