Ambai Nist is a village in Nathnagar tehsil in district of Bhagalpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Ambai Nist was 7,939 which includes 4,179 males and 3,760 females. Ambai Nist covers 382 ha area. Pincode of Ambai Nist is N/A.