Arja Heri is a village in Nilokheri tehsil in district of Karnal, Haryana, India. As per the data provided by Census of India in 2011, total population of Arja Heri was 1,637 which includes 843 males and 794 females. Arja Heri covers 195 ha area. Pincode of Arja Heri is 132117.