Gauhaniyaraj is a village in Domariyaganj tehsil in district of Siddharthnagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Gauhaniyaraj was 1,916 which includes 953 males and 963 females. Gauhaniyaraj covers 206.61 ha area. Pincode of Gauhaniyaraj is N/A.