Luzon Islands

LUZON

Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name of one of the three primary island groups in the country (the other two being the Visayas and Mindanao). Luzon as an island group includes Luzon proper, the Batanes and Babuyan groups of islands to the north, and the outlying islands of Catanduanes,Marinduque, Masbate, Romblon, and Mindoro.Luzon is the economic and political center of the Philippines, being home to the country's capital city, Manila. It is one of most populated islands in the world, only behind Java, Honshu, and Great Britain. It has a similar population size to Sumatra but much smaller area.

The island of Luzon contains 8 of the 17 administrative regions of the Philippines. These regions are not political entities, but merely serve as administrative groupings of provinces. 

They are:

• Ilocos Region (Region I)
• Cagayan Valley (Region II)
• Central Luzon (Region III)
• CALABARZON (Region IV-A)
• MIMAROPA (Region IV-B)
• Bicol Region (Region V)
• Cordillera Administrative Region (CAR)
• National Capital Region (NCR)

Ilocos Region (Region I) is on the northwest side of the island and faces South China Sea. The region is well known for its white sand coastline and rich history. Its provinces are Ilocos Norte, Ilocos Sur, La Union, and Pangasinan. The region's administrative centers is San Fernando City, La Union.

Cagayan Valley (Region II) is located in the northeast portion of the main island and also covers the Batanes and Babuyan Islandsto the north. The valley is surrounded by the Cordillera Central and Sierra Madre mountain ranges. Running through its center is the country's longest river, "Rio Grande de Cagayan". Its provinces are Batanes, Cagayan, Isabela, Nueva Vizcaya, and Quirino. The region's administrative centers is Tuguegarao City.

Central Luzon (Region III) contains the largest plain of the country and produces most of the country's rice supply. Its provinces are Aurora, Bataan, Bulacan, Nueva Ecija, Pampanga, Tarlac, and Zambales. The region's administrative center is the City of San Fernando, Pampanga. The former United States Navy base of Subic Bay is located in Subic, Zambales while the former United States Air Force is in Clark Field, Pampanga. Both are now two of the country's booming special economic zones. The main languages are Kapampangan, Ilocano and Tagalog.

CALABARZON (Region IV-A), one of the newest regions of the country, was previously a part of Southern Tagalog (Region IV). It is one of the most populous areas of the country. The name of the region is actually an acronym that stands for its provinces, which are Cavite, Laguna, Batangas, Rizal, and Quezon. The Tagalogs are the dominant ethnic group in this region, with Tagalog as the main language. The region's administrative center is Calamba City.

MIMAROPA (Region IV-B), along with CALABARZON is the newest region of the country, and was previously a part of Southern Tagalog (Region IV). It contains most of the islands in the Luzon group. The name of the region is actually an acronym that stands for its provinces, which are Occidental Mindoro, Oriental Mindoro, Marinduque, Romblon and Palawan. The region's administrative center is Calapan City.

Bicol Region (Region V) occupies the Bicol Peninsula at the southeastern end of Luzon island, plus the outlying islands which include the island provinces of Catanduanes and Masbate. The remaining mainland provinces are Albay, Camarines Norte, Camarines Sur, and Sorsogon. The region's administrative center is Legazpi City. The inhabitants are of Bicolano descent with Bikol as the main language.

Cordillera Administrative Region (CAR) almost completely covers the Cordillera Central mountain range of Northern Luzon. CAR, created in 1989 is a special administrative region for the indigenous tribes of these mountains. Its provinces are Abra, Apayao, Benguet, Ifugao, Kalinga, and Mountain Province. The regional center is Baguio City.

National Capital Region (NCR) is a special administrative region that contains the capital of the country, Manila; the country's most populous city, Quezon City; and an additional 15 more cities and municipalities. The region is more popularly known as Metro Manila. It is the only region in the country that has no provinces, and is the most densely populated with over 10 million people living in a 636 km² area.

Luzon is sometimes divided into three areas: Northern Luzon, Southern Luzon and Metro Manila. Northern Luzon are the regions north of Metro Manila (Regions I, II, III and CAR), while Southern Luzon are regions to the south and east of it (Regions IV-A, IV-B and V). In some statistics, Metro Manila is included within Southern Luzon.