Bairia is a nagar panchayat in Bairia tehsil in Ballia District of Uttar Pradesh State, India. It belongs to Azamgarh Division. It is located 35 km to the east of the district headquarters Ballia. It is a block headquarters and tehsil headquarters. Bairia is a nagar panchayat located in Bairia Tehsil of Ballia district, Uttar Pradesh with total 54079 families residing. The Bairia nagar panchayat has population of 386745 of which 201317 are males while 185428 are females as per Population Census 2011.