Gaya Dah 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 Gaya Dah was 123 which includes 68 males and 55 females. Gaya Dah covers 41.79 ha area. Pincode of Gaya Dah is 231208.