Samardhira is a village in Nautanwa tehsil in district of Mahrajganj, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Samardhira was 4,148 which includes 2,188 males and 1,960 females. Samardhira covers 266.39 ha area. Pincode of Samardhira is N/A.