Panay is the sixth-largest and fourth-most populous island in the Philippines, with a total land area of 12,011 km2 (4,637 sq mi) and has a total population of 4,542,926 as of 2020 census. Panay comprises 4.4 percent of the entire population of the country. The City of Iloilo is its largest settlement with a total population of 457,626 inhabitants as of 2020 census.

Iloilo City, officially the City of Iloilo, is a 1st class highly urbanized city in the Western Visayas region of the Philippines, located on the southeastern coast of the island of Panay. It is the capital city of the province of Iloilo, where it is geographically situated and grouped under the Philippine Statistics Authority, but remains politically independent in terms of government and administration. In addition, it is the center of the Iloilo–Guimaras Metropolitan Area, as well as the regional center and primate city of the Western Visayas region. According to the 2020 census, Iloilo City has a population of 457,626 people. For the metropolitan area, the total population is 1,007,945 people.