Gadasam is a village in Dattirajeru tehsil in district of Vizianagaram, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Gadasam was 2,669 which includes 1,315 males and 1,354 females. Gadasam covers 642 ha area. Pincode of Gadasam is 535520.