Southern Tagalog Mainland
The Isthmus, The Lake, and the Taal Volcano The CALABARZON region, also known as Region IV-A, is one of the leading regions in the Philippines in terms of economic and industrial development. Its name is an acronym derived from the names of its five provinces: Cavite, Laguna, Batangas, Rizal, and Quezon. This region is strategically […]