Laoag, officially the City of Laoag (Ilokano: Ciudad ti Laoag; Filipino: Lungsod ng Laoag), is a first class city in the province of Ilocos Norte, Philippines. It is the capital city of Ilocos Norte, and the province's political, commercial, and industrial hub. It is the northernmost city in the Philippines and the location of the Ilocos region's only commercial airport.