Nao Barwa is a village in Kamrau tehsil in district of Sirmaur, Himachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Nao Barwa was 180 which includes 99 males and 81 females. Nao Barwa covers 58.66 ha area. Pincode of Nao Barwa is 173029.