Mahadewa Buzurg is a village in Naugarh tehsil in district of Siddharthnagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahadewa Buzurg was 1,789 which includes 902 males and 887 females. Mahadewa Buzurg covers 88.48 ha area. Pincode of Mahadewa Buzurg is N/A.