Arwatanr is a village in Dhanwar tehsil in district of Giridih, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Arwatanr was 573 which includes 302 males and 271 females. Arwatanr covers 89.45 ha area. Pincode of Arwatanr is 825318.