Gara Mertiya is a village in Sagwara tehsil in district of Dungarpur, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Gara Mertiya was 2,318 which includes 1,209 males and 1,109 females. Gara Mertiya covers 368 ha area. Pincode of Gara Mertiya is 314030.