That's just a silly question. Spanish obviously.
Spain's major languages are Spanish (the official one), and the regional languages of Basque, Aranese, Catalan/Valencian, and Galician.
In northwest Spain. It is one of 4 official languages of Spain and has 3 dialects.
Some countries that have Romance languages as their official or widely spoken languages include: Spain Portugal France Italy Romania Brazil Argentina Mexico
Spain is in Europe and they speak spanish.
Spanish is the official national language. Catalán, Gallego, and Vasco are languages recognized by their respective Autonomous Community legislatures as official languages in those respective Autonomous Communities only.
Spain's four languages are Castilian Spanish (official) 74%, Catalan 17%, Galician 7%, Basque 2%, according to the CIA World Factbook.
Switzerland is the European country that has four official languages: German, French, Italian, and Romansh. These languages are spoken in different regions of the country, reflecting its linguistic diversity.
The most prominent language in Portugal is Portuguese.The most prominent language in Spain is Spanish (also called Castillian, in order to distinguish it from the dialects of the Americas).Other languages in Spain are:Aranese, co-official in Catalonia, a variety of Gascon, which in turn is a variety of Occitan.Basque, co-official in the Basque Country and Navarre (see Basque and mixed zones).CatalanGalician
Romance languages are widely the most spoken languages in Spain. However Spanish also called Castilian is the only language that has official status in Spain and is spoken throughout the whole country. In 2005 about 89% of Spaniards spoke Spanish.
Spanish, aka Castillian, is the official language of Spain. But recognized as co-official are Aranese, Basque, Catalan/Valencian, and Galician. There are many other candidates as second languages of Spain. But they don't have as many speakers. Examples are Aragonese, Extremaduran, and the Romance languages of Asturias and Leon.
How many languages do they talk in Spain... Euskera, Castilian (what everyone else calls Spanish), Catalan, Galician That makes four official languages. Obviously, there are people who talk in other languages who happen to live in Spain.
The official language of the unified crowns of Castille and Aragon (Spain) is CASTILIAN, called Spanish by most people outside of Spain. However, Spain has numerous official and unofficial regional languages throughout its various provinces, which include: Catalan, Valencian, Basque, Asturian, Extremaduran, and Galician.