Gangwar Bujurg 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 Gangwar Bujurg was 357 which includes 189 males and 168 females. Gangwar Bujurg covers 67.65 ha area. Pincode of Gangwar Bujurg is N/A.