Harna Buzurg is a village in Rajaun tehsil in district of Banka, Bihar, India. As per the data provided by Census of India in 2011, total population of Harna Buzurg was 2,152 which includes 1,095 males and 1,057 females. Harna Buzurg covers 52 ha area. Pincode of Harna Buzurg is 813105.