page_title: Ilagan
hierarchical_section_title: Ilagan
caption_attribution_description: English: Ilagan City Hall after becomes a city in 2012. Owned by Province of Isabela and it is public domain.
context_page_description: Ilagan, officially the City of Ilagan, is a 1st class city and capital of the province of Isabela, Philippines. According to the 2015 census, it has a population of 145,568 people making it the most populous city in the province.
  With a total land area of 116,626 hectares, it is the largest city in the island of Luzon and the fourth largest city in land area in the Philippines, after Davao City, Puerto Princesa, and Zamboanga City. It holds the title as the most number of voters in the province with 98,565 voters.
  Ilagan was a first class municipality before it became a city.
context_section_description: Ilagan, officially the City of Ilagan (Ibanag: Siudad nat Ilagan; Ilocano: Siudad ti Ilagan; Tagalog: Lungsod ng Ilagan), is a 1st class city and capital of the province of Isabela, Philippines. According to the 2015 census, it has a population of 145,568 people  making it the most populous city in the province.
  With a total land area of 116,626 hectares (288,190 acres), it is the largest city in the island of Luzon and the fourth largest city in land area in the Philippines, after Davao City, Puerto Princesa, and Zamboanga City. It holds the title as the most number of voters in the province with 98,565 voters.
  Ilagan was a first class municipality before it became a city.
caption: Ilagan City Hall
exif: {}