Ganj Bhag is a village in Forbesganj tehsil in district of Araria, Bihar, India. As per the data provided by Census of India in 2011, total population of Ganj Bhag was 4,126 which includes 2,160 males and 1,966 females. Ganj Bhag covers 1074 ha area. Pincode of Ganj Bhag is 844318.