how many barangay in cauayan city isabela|District I, Cauayan, Isabela Profile – PhilAtlas : Bacolod As a component city in the Province of Isabela, government officials in the provincial level are voted by the electorates of the city. The provincial government have political jurisdiction over local transactions of the city government. The city of Cauayan is governed by a mayor designated as its local chief executive and by a city council as its legislative body in accordance with the Local Government Code. The mayor, vice .