Gundakallu Hosur is a village in Nagamangala tehsil in district of Mandya, Karnataka, India. As per the data provided by Census of India in 2011, total population of Gundakallu Hosur was 4 which includes 1 males and 3 females. Gundakallu Hosur covers 216.59 ha area. Pincode of Gundakallu Hosur is 571445.