Vanbahur 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 Vanbahur was 1,104 which includes 587 males and 517 females. Vanbahur covers 135.31 ha area. Pincode of Vanbahur is 231215.