Gangnati Arazigachh is a village in Pothia tehsil in district of Kishanganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Gangnati Arazigachh was 157 which includes 73 males and 84 females. Gangnati Arazigachh covers 64.01 ha area. Pincode of Gangnati Arazigachh is 855117.