Region IV typically refers to a specific geographical area within a country or organization, often used in administrative contexts. In the Philippines, for example, Region IV is divided into two parts: Region IV-A (CALABARZON) and Region IV-B (MIMAROPA). CALABARZON includes provinces like Cavite, Laguna, Batangas, Rizal, and Quezon, while MIMAROPA consists of Mindoro, Marinduque, Romblon, and Palawan. This region is known for its diverse landscapes, including mountains, beaches, and agricultural areas. It plays a significant role in the economy of the Philippines, contributing to industries such as agriculture, tourism, and manufacturing. The rich cultural heritage and natural resources make Region IV an important area for both local and national development.