ASpanish (Castilian)
As the most widely spoken language in Spain and the official language of the state, Castilian Spanish serves as a unifying thread across the country’s diverse regions. It is the primary medium in national education, government, and media, and is spoken natively by the vast majority of Spaniards. With roots in the Latin of the Roman Empire, Castilian evolved through centuries of interaction with Arabic, regional dialects, and later, colonial expansion. Today, it is not only Spain’s dominant language but one of the most spoken globally, though its prominence within Spain has sparked debate in regions where local languages seek greater parity.