PEZA is the Philippine government agency tasked to promote investments, extend assistance, register, grant incentives to and facilitate the business operations of investors in export-oriented manufacturing and service facilities inside selected areas throughout the country proclaimed by the President of the Philippines as PEZA Special Economic Zones.
There are PEZA zones, PEZA approved buildings and PEZA approved companies. Tax holidays and other special benefits are just part of the program. You can see more about PEZA and how they can help your business here.
In the video below you can hear a bit more about PEZA from Bryce Maddock of Taskus.com (@ 5:00 mark):