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The region is composed of four provinces, namely: Ilocos Norte, Ilocos Sur, La Union and Pangasinan. Its administrative center is San Fernando City, La Union. The region is occupied mostly by Ilocanos.
REPUBLIC OF THE PHILIPPINES
2000 census—4,200,478 (Xth largest).
Provinces—4.
Component Cities—8.
MunicipalitiesA municipality bayan in Filipino) is a local government unit in the Philippines. Provinces are composed of cities and municipalities. Municipalities, in turn, are composed of barangays. Municipalities are also called towns which actually is a better trans—117.
BarangayA barangay is the smallest local government unit in the Philippines and is very similar to a village. Municipalities and cities are composed of barangays. Each barangay is headed by a barangay captain punong barangay who leads the barangay council sangguns—3,265.