Gunja Dihri is a village in Nawanagar tehsil in district of Buxar, Bihar, India. As per the data provided by Census of India in 2011, total population of Gunja Dihri was 470 which includes 244 males and 226 females. Gunja Dihri covers 123 ha area. Pincode of Gunja Dihri is 802129.