Cagayan Valley is a region of the Philippines, also designated as Region II or Region 02. It is composed of five provinces, namely: Batanes, Cagayan, Isabela, Nueva Vizcaya, and Quirino. It has three cities; Cauayan City, its regional center-Tuguegarao, and its commercial center-Santiago City.
Most of the region lies in a large valley in northeastern Luzon, between the Cordilleras and the Sierra Madre mountain ranges. The Cagayan River, the country's longest river runs through its center and flows out to Luzon Strait in the north, in the town of Aparri, Cagayan. The Babuyan and Batanes island groups that lie in the Luzon Strait also belong to the region.More
The Cagayan Valley Region II is defined by the Cagayan River. The Province of Cagayan occupies the lower course of the river, and the northeast corner of the island of Luzon (with a few offshore islets). Cagayan's area is 9,003 km²., its population 952,000 (by the 2000 census) in twenty-nine towns, of which Tuguegarao is the capital.
Archaeology indicates that the Cagayan Valley has been inhabited for half a million years, though no human remains of any such antiquity have yet appeared. The earliest inhabitants are the Agta, or Atta, food-gatherers who roam the forests without fixed abode. A large tract of land has lately been returned to them. The bulk of the population are of Malay origin. For centuries before the coming of the Spanish the inhabitants traded with Indians, Malays, Chinese, and Japanese. In the nineteenth century the prosperity found in tobacco cultivation caused many Ilocanos to settle here. Tobacco is still a major factor in the economy of Cagayan, though a special economic zone and free port has been created to strengthen and diversify the provincial economy. Cagayan has much to offer visitors: beaches, swimming, snorkeling, skin-diving, fishing in the river and the sea, hiking in primeval forest, mountain-climbing, archaeological sites, the remarkable collection of the provincial museum, the Callao Caves, and many fine churches. Even here there are fortifications built to protect the inhabitants from raids by the MaraMore