Region 4-A is also known as the mainland portion of Region 4. It consists of the provinces of Cavite, Laguna, Batangas, Rizal and Quezon (hence the name CaLaBaRzon)
Region 4-A is also known as the mainland portion of Region 4. It consists of the provinces of Cavite, Laguna, Batangas, Rizal and Quezon (hence the name CaLaBaRzon)