Banthu Salona is a village in Ziradei tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Banthu Salona was 2,508 which includes 1,239 males and 1,269 females. Banthu Salona covers 192 ha area. Pincode of Banthu Salona is 841237.