Answer: Calabarzon, formally known as the Southern Tagalog Mainland, is an administrative region in the Philippines, designated as Region IV-A. The region comprises five provinces: Batangas, Cavite, Laguna, Quezon, and Rizal and one highly urbanized city, Lucena.
there's more but i think that is enought tho
Explanation:
what up tho i'm kinda bored in here.