Tanwa Khas is a village in Phulwaria tehsil in district of Gopalganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Tanwa Khas was 331 which includes 165 males and 166 females. Tanwa Khas covers 45.4 ha area. Pincode of Tanwa Khas is N/A.