Gattasilli is a village in Nagri tehsil in district of Dhamtari, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Gattasilli was 2,078 which includes 995 males and 1,083 females. Gattasilli covers 638.25 ha area. Pincode of Gattasilli is 493773.