Final answer:
Spain has four co-official languages: Catalan, Basque, Galician, and Asturian-Leonese.
Step-by-step explanation:
Spain has four co-official languages. These languages are Catalan, Basque, Galician, and Asturian-Leonese. They are recognized as official languages in their respective autonomous communities within Spain.
Learn more about co-official languages in Spain