Koriyanw is a village in Robertsganj tehsil in district of Sonbhadra, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Koriyanw was 1,421 which includes 741 males and 680 females. Koriyanw covers 130.35 ha area. Pincode of Koriyanw is N/A.