Semarahi Chak is a village in Maharajganj tehsil in district of Mahrajganj, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Semarahi Chak was 277 which includes 145 males and 132 females. Semarahi Chak covers 129.36 ha area. Pincode of Semarahi Chak is 273303.