* Spain: Catalonia, Valencia, the Balearic Islands, and parts of Aragon.
* France: The region of Northern Catalonia (also known as the French Catalan Country).
* Italy: The small region of Alghero in Sardinia.
* Andorra: This micro-state uses Catalan as its official language.
Catalan is also spoken by significant communities in other parts of the world, especially in Latin America, due to migration from Spain.