Vakadu mandal used to be a part of Nellore district and was made part of the newly formed Tirupati district on 4 April 2022.

Every year, terrestrial and aquatic birds migrate to Pulicat Lake area for a temporary stay.

The ecosystem covers an area of 600 km2 (230 sq mi) including parts of the mandal along with Chittamur, Doravarisatram, Sullurpeta and Tada mandals.

The terrestrial birds include painted storks, large egrets, little egrets, grey pelicans, grey herons; water birds include northern pintails, black-winged stilts, northern shovelers, common teal, seagulls, terns, sandpipers, and common coots.

[5] Vakadu mandal is a part of Gudur revenue division.