The table below contains the list of all the provinces found in the Cagayan Valley Region or Region II. There are 5 provinces under Region II. Please refer to the list below.
List of Cagayan Valley Region Provinces and Its Capital
Mysterious Cagayan Cave.

Cagayan Valley Region Provinces and Its Capital

Cagayan Valley Region
Provinces
Capital
Batanes Basco
Cagayan Tuguegarao City
Isabela Ilagan City
Nueva Vizcaya Bayombong
Quirino Cabarroguis
Source: wikipedia.org