Semra Mahraja is a village in Pharenda tehsil in district of Mahrajganj, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Semra Mahraja was 2,405 which includes 1,223 males and 1,182 females. Semra Mahraja covers 260.75 ha area. Pincode of Semra Mahraja is 273155.