Chak Sadarja is a village in Potashpur I tehsil in district of Purba Medinipur, West Bengal, India. As per the data provided by Census of India in 2011, total population of Chak Sadarja was 44 which includes 26 males and 18 females. Chak Sadarja covers 47.15 ha area. Pincode of Chak Sadarja is 721439.