Punabaka is a village in Pellakur tehsil in district of Sri Potti Sriramulu Nellore, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Punabaka was 1,738 which includes 884 males and 854 females. Punabaka covers 1159 ha area. Pincode of Punabaka is 524129.