But Berahawa is a village in Dudhi tehsil in district of Sonbhadra, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of But Berahawa was 3,700 which includes 1,876 males and 1,824 females. But Berahawa covers 192.6 ha area. Pincode of But Berahawa is 232221.