Up Mahal Bag 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 Bag was 14 which includes 8 males and 6 females. Up Mahal Bag covers 174.33 ha area. Pincode of Up Mahal Bag is 171210.