Explore all cities and municipalities of La Union in Region I. Includes administrative divisions, population, land area, and official local government units.
Cities & Municipalities of La Union
La Union is a province in Region I – Ilocos Region, composed of 1 component city and 19 municipalities that function as the core administrative and local government units (LGUs) of the province. This page provides a complete breakdown of all LGUs, including population, land area, and administrative classification.
Overview of La Union
La Union is located in the Ilocos Region and is known for its coastal tourism, surfing beaches, cultural heritage, and agricultural economy. The province is subdivided into:
- Cities
- Municipalities
- Barangays
These LGUs form the administrative backbone of the province.
List of Cities in La Union
Below is the complete list of component cities within the province.
Cities
- San Fernando City — The capital and regional center of Region I, known for commerce, governance, and coastal attractions.
List of Municipalities in La Union
Below is the complete list of municipalities grouped alphabetically.
Municipalities
- Agoo — A historic town known for its basilica and coastal communities.
- Aringay — A coastal municipality with agricultural and fishing communities.
- Bacnotan — Home to cement production and scenic beaches.
- Bagulin — An upland municipality known for eco‑tourism and indigenous communities.
- Balaoan — A northern municipality known for agriculture and coastal barangays.
- Bangar — A northern border town known for weaving and agriculture.
- Bauang — A tourism hub famous for beaches and resorts.
- Burgos — A small inland municipality with agricultural communities.
- Caba — A coastal town known for fishing and beach tourism.
- Luna — Known for the iconic Baluarte Watchtower and pebble beaches.
- Naguilian — An inland municipality known for rice production and local industries.
- Pugo — A gateway to the Cordillera, known for eco‑adventure attractions.
- Rosario — A major transport junction connecting Ilocos, Pangasinan, and Baguio.
- San Gabriel — A highland municipality known for waterfalls and eco‑tourism.
- San Juan — The surfing capital of Northern Luzon.
- Santo Tomas — A coastal municipality known for fishing and agriculture.
- Santol — A mountainous municipality with cool climate and scenic views.
- Sudipen — A northern inland municipality known for agriculture.
- Tubao — A landlocked municipality with agricultural communities.
Administrative Divisions of La Union
Cities and Municipalities Count
- Total Cities: 1
- Total Municipalities: 19
- Total Barangays: 576
Districts
- First District: Bacnotan, Balaoan, Bangar, Luna, Santol, Sudipen
- Second District: Agoo, Aringay, Bauang, Burgos, Caba, Naguilian, Rosario, San Gabriel, San Juan, Santo Tomas, Tubao, Pugo, Bagulin
Population & Land Area
Population
- Province Population: ~822,000
- Largest City: San Fernando City
- Largest Municipality: Agoo
Land Area
- Total Land Area: ~1,497 sq km
- Largest LGU by Land Area: San Gabriel
Related Administrative Pages
- Province of La Union Administrative Page
- Region I – Ilocos Region Administrative Page
- Cities of the Philippines
- Municipalities of the Philippines