Cauayan, Isabela

Cauayan is a component city in the province of Isabela in the Cagayan Valley region of northern Luzon in the Philippines, officially the City of Cauayan. Its name is given in several regional languages, Siyudad nat Cauayan in Ibanag, Siyudad na Cauayan in Gaddang and Siudad ti Cauayan in Ilocano. The city covers about 336 square kilometres according to the national list of cities and municipalities, and the 2024 census counted 143,539 residents, compared with 143,403 in 2020. Cauayan was converted into a city on 28 February 2001, and as a component city it remains within the provincial government of Isabela while running its own local affairs.