Chak Chauhani is a village in Tetaria tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Chak Chauhani was 4,206 which includes 2,199 males and 2,007 females. Chak Chauhani covers 221 ha area. Pincode of Chak Chauhani is 845426.