* Latin America: Argentina, Bolivia, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Uruguay, Venezuela.
* Spain: The official language of Spain.
* Equatorial Guinea: An official language, along with French and Portuguese.
* Andorra: Co-official language along with Catalan.
* The Philippines: A significant minority language, although English is the official language.
It's important to note that there are many Spanish dialects, and the language varies slightly depending on the region.