Up Mahal Phajabag 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 Phajabag was 55 which includes 27 males and 28 females. Up Mahal Phajabag covers 338.9 ha area. Pincode of Up Mahal Phajabag is 171210.