Semarahana 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 Semarahana was 452 which includes 233 males and 219 females. Semarahana covers 51.02 ha area. Pincode of Semarahana is N/A.