Chak Nagai is a village in Badlapur tehsil in district of Jaunpur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Chak Nagai was 106 which includes 57 males and 49 females. Chak Nagai covers 5.66 ha area. Pincode of Chak Nagai is 222145.