Korwatanr is a village in Pirtanr tehsil in district of Giridih, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Korwatanr was 97 which includes 50 males and 47 females. Korwatanr covers 29.78 ha area. Pincode of Korwatanr is 825108.