Davao City, officially the City of Davao, is a highly urbanized city in the Davao Region, Philippines. The city has a total land area of 2,443.61 km², making it the largest city in the Philippines in terms of land area. It is the third-most populous city in the Philippines after Quezon City and Manila respectively, and the most populous city in Mindanao, in Davao Regiā¦Davao City, officially the City of Davao, is a highly urbanized city in the Davao Region, Philippines. The city has a total land area of 2,443.61 km², making it the largest city in the Philippines in terms of land area. It is the third-most populous city in the Philippines after Quezon City and Manila respectively, and the most populous city in Mindanao, in Davao Region, and outside of Metro Manila. According to the 2020 census, it has a population of 1,776,949 people.