Up Mahal Chonjan is a village in Nerua tehsil in district of Shimla, Himachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Up Mahal Chonjan was 277 which includes 140 males and 137 females. Up Mahal Chonjan covers 253.45 ha area. Pincode of Up Mahal Chonjan is 171210.