REGION 1

Ilocos Norte. Ilocos Sur. La Union. Pangasinan

Ilocos Region is a Philippine administrative region located in the northwestern part of the island of Luzon. It is designated as Region I. It is bounded to the east by the Cordillera Administrative Region, to the northeast and southeast by the Cagayan Valley, and to the south by Central Luzon. The South China Sea is located to the west. The provinces of Ilocos Norte, Ilocos Sur, La Union, and Pangasinan make up the region.