Mandapeta was originally called "Mandavyapuram", which came from Sage Mandukya. Mandapeta is a second-grade municipality established on October 1, 1958 in Dr. B.R. Ambedkar Konaseema district in the Indian state of Andhra Pradesh. It is located at mean elevation of about 15.48 msl at 16.520 N, 81.560 E.