Calabarzon | Region IV-A
About the CALABARZON
Calabarzon is an administrative region in the Philippines. It is also known as Southern Tagalog Mainland or Region IV-A. It is on Luzon island. The capital is Calamba.
The region has five provinces: Cavite, Laguna, Batangas, Rizal, and Quezon. There is also one independent city: Lucena.