North America:
* Mexico: The most populous Spanish-speaking country in the world.
* United States: Spanish is a widely spoken language, especially in the Southwest and Florida, due to a large Hispanic population.
Central America:
* Guatemala
* Belize
* Honduras
* El Salvador
* Nicaragua
* Costa Rica
* Panama
South America:
* Colombia
* Venezuela
* Ecuador
* Peru
* Bolivia
* Chile
* Argentina
* Uruguay
* Paraguay
Europe:
* Spain: The origin of the Spanish language.
* Andorra: A small principality in the Pyrenees mountains.
* Gibraltar: A British overseas territory located on the southern tip of the Iberian Peninsula. Spanish is a co-official language here.
Africa:
* Equatorial Guinea: A small country on the western coast of Central Africa.
* Western Sahara: A disputed territory with a majority Sahrawi population speaking Hassaniya Arabic, but Spanish is also widely spoken.
Other:
* Philippines: Spanish was the official language during the Spanish colonial period, and some people still speak it today.
It's important to note that Spanish is not the only language spoken in many of these countries. There are numerous indigenous languages, as well as other European languages like English, French, Portuguese, and Dutch.