Chak Bairisal is a village in Patepur tehsil in district of Vaishali, Bihar, India. As per the data provided by Census of India in 2011, total population of Chak Bairisal was 596 which includes 330 males and 266 females. Chak Bairisal covers 18 ha area. Pincode of Chak Bairisal is N/A.