Iloilo, officially the Province of Iloilo, is a province in the Philippines located in the Western Visayas region. Its capital and largest city is Iloilo City, the regional center of Western Visayas. Iloilo occupies the southeast portion of the Visayan island of Panay and is bordered by the province of Antique to the west, Capiz to the north, the Jintotolo Channel to the northeast, the Guimaras Strait to the east, and the Iloilo Strait and Panay Gulf to the southwest.

Hiligaynon, also often referred to as Ilonggo or Binisayâ/Bisayâ nga Hiniligaynon/Inilonggo, is an Austronesian regional language spoken in the Philippines by about 9.1 million people, predominantly in Western Visayas and Soccsksargen, most of whom belong to the Hiligaynon people. It is the second-most widely spoken language in the Visayas and belongs to the Bisayan languages, and it is more distantly related to other Philippine languages.