Isabela City

Isabela City is a 4th-class component city in the Philippines, located in Mindanao. It is geographically part of Basilan, which is part of the Bangsamoro Autonomous Region in Muslim Mindanao (BARMM). However, it voted against joining the new Bangsamoro region in the 2019 plebiscite. For this reason, it is administratively part of Zamboanga Peninsula.

Isabela City has a population of 130,379 as of the 2020 Census, and a land area of 223.73 square kilometers. It consists of 45 barangays.

In the 2022 elections, the city had 82,613 registered voters.