Guimaras, officially the Province of Guimaras, is an island province in the Philippines located in the Western Visayas region. The capital is Jordan, while the largest local government unit for it is the municipality of Buenavista. The province is situated in Panay Gulf, between the islands of Panay and Negros. To the northwest is the province of Iloilo and to the southeast is Negros Occidental. The whole island is part of the Metro Iloilo–Guimaras, one of the twelve metropolitan areas of the Philippines.

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.