Gadiajor is a village in Dharamgarh tehsil in district of Kalahandi, Odisha, India. As per the data provided by Census of India in 2011, total population of Gadiajor was 2,205 which includes 1,134 males and 1,071 females. Gadiajor covers 748 ha area. Pincode of Gadiajor is 766015.