The City of Davao: De Facto Capital of Mindanao (Tagalog: Lungsod ng Dabaw; Cebuano: Dakbayan sa Dabaw) is one of the most important cities in the Philippines and the chief city of the island of Mindanao. It is the largest city in the Philippines in terms of land area, occupying an area of 2,444 square kilometers. Its international airport and seaport are among the busiest cargo hubs in the southern Philippines. Davao City is also one of several cities in the Philippines that are independent of any province, though it is usually grouped with Davao del Sur for statistical purposes. The city is also the regional center for Davao Region (Region XI). Davao City has a population of 1,725,355 people (2005 estimate) in 240,057 households (2000 census). It has about 2.5 million people in daylight hours.