Gahirasimulia is a village in Basta tehsil in district of Baleshwar, Odisha, India. As per the data provided by Census of India in 2011, total population of Gahirasimulia was 154 which includes 73 males and 81 females. Gahirasimulia covers 49 ha area. Pincode of Gahirasimulia is 756029.