Overview
Region I, also known as the Ilocos Region, is located in the northwestern part of Luzon. It is composed of four provinces—Ilocos Norte, Ilocos Sur, La Union, and Pangasinan—and is known for its rich cultural heritage, coastal landscapes, and well‑preserved historic sites.
Administrative Structure
Provinces in Region I
- Ilocos Norte — Known for its wind farms, heritage sites, and coastal attractions.
- Ilocos Sur — Home to Vigan City, a UNESCO World Heritage Site.
- La Union — A major surfing destination and regional commercial hub.
- Pangasinan — The largest province in Region I, famous for the Hundred Islands National Park.
Ilocos Region (Administration Hub)
Raw Data (Charts) of provinces with a link to each province’s cities, municipalities, & barangays
Related Hub
Cities in Region I
- Vigan City (Ilocos Sur) — Heritage city with Spanish colonial architecture.
- Laoag City (Ilocos Norte) — Regional capital and gateway to northern Luzon.
- Batac City (Ilocos Norte) — Known for its museums and cultural landmarks.
- Candon City (Ilocos Sur) — Tobacco capital of the Philippines.
- San Fernando City (La Union) — Regional administrative center.
- Dagupan City (Pangasinan) — Renowned for its aquaculture and bangus industry.
- San Carlos City (Pangasinan)
- Urdaneta City (Pangasinan)
- Alaminos City (Pangasinan) — Gateway to the Hundred Islands.
Municipalities by Province
Ilocos Norte
- Adams
- Bacarra
- Badoc
- Bangui
- Burgos
- Carasi
- Currimao
- Dingras
- Dumalneg
- Marcos
- Nueva Era
- Pagudpud
- Paoay
- Pasuquin
- Piddig
- Pinili
- San Nicolas
- Sarrat
- Solsona
- Vintar
Ilocos Sur
- Alilem
- Banayoyo
- Bantay
- Burgos
- Cabugao
- Caoayan
- Cervantes
- Galimuyod
- Gregorio del Pilar
- Lidlidda
- Magsingal
- Nagbukel
- Narvacan
- Quirino
- Salcedo
- San Emilio
- San Esteban
- San Ildefonso
- San Juan
- San Vicente
- Santa
- Santa Catalina
- Santa Cruz
- Santa Lucia
- Santa Maria
- Santiago
- Santo Domingo
- Sigay
- Sinait
- Sugpon
- Suyo
- Tagudin
La Union
- Agoo
- Aringay
- Bacnotan
- Bagulin
- Balaoan
- Bangar
- Bauang
- Burgos
- Caba
- Luna
- Naguilian
- Pugo
- Rosario
- San Gabriel
- San Juan
- Santo Tomas
- Sudipen
- Tubao
Pangasinan
- Agno
- Aguilar
- Alcala
- Anda
- Asingan
- Balungao
- Bani
- Basista
- Bautista
- Bayambang
- Binalonan
- Binmaley
- Bolinao
- Bugallon
- Burgos
- Calasiao
- Dasol
- Infanta
- Labrador
- Laoac
- Lingayen
- Mabini
- Malasiqui
- Manaoag
- Mangaldan
- Mangatarem
- Mapandan
- Natividad
- Pozorrubio
- Rosales
- San Fabian
- San Jacinto
- San Manuel
- San Nicolas
- San Quintin
- Santa Barbara
- Santa Maria
- Santo Tomas
- Sison
- Sual
- Tayug
- Umingan
- Urbiztondo
- Villasis
Administrative Notes
- Region I is part of the Luzon Island Group.
- The regional center is San Fernando City, La Union.
- The region is divided into 4 provinces, 9 component cities, and 116 municipalities.
Travel Relevance
Region I is a major tourism hub known for:
- Heritage towns and Spanish colonial architecture
- Surfing beaches in La Union
- Natural attractions such as Kapurpurawan Rock Formation and Hundred Islands
- Cultural cuisine including empanada, bagnet, and longganisa
Key Takeaways
- Region I is an administratively rich region with a clear hierarchy of provinces, cities, and municipalities.
- This page serves as the main administrative landing page for the Ilocos Region.
- Use this page to link deeper into city guides, municipality lists, and province‑level content.