CALABARZON

CALABARZON, formally known as Southern Tagalog Mainland and designated as Region IV-A, is an administrative region in the Philippines. The region comprises five provinces: Cavite, Laguna, Batangas, Rizal, and Quezon, and one Highly Urbanized City, Lucena. The name of the region is an acronym of its five component provinces. Its regional center is Calamba City in Laguna. CALABARZON is the most populous region in the Philippines, having inhabitants in, and is also the country's second most densely populated after NCR.CALABARZON is situated south of the National Capital Region, and is bordered by the Manila Bay in the west, Lamon Bay and the Bicol Region in the east, the Tayabas Bay and Sibuyan Sea in the south, and the provinces of Aurora, Bulacan, and Metro Manila in the north. It is home to places like Mount Makiling near Los Baños, Laguna and the Taal Volcano in Talisay, Batangas.