Bairiyadih is a village in Harsidhi tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Bairiyadih was 8,235 which includes 4,305 males and 3,930 females. Bairiyadih covers 807.11 ha area. Pincode of Bairiyadih is N/A.