are you going to teach me what language predominates in catalonia and in the basque country seriously i am catalan of basque descent catalan is spoken and understood mainly because it's almost a dialect of spanish it is so similar but basque's situation is similar to the one of irish taught at school but only spoken commonly in remote areas if you want further proof check this referenced statement from the spanish wikipedia article catalu a el castellano es la lengua m s hablada de catalu a superando al catal n no s lo como lengua habitual sino tambi n como lengua materna y de identificaci n tanto en cifras relativas como absolutas i'm reverting to the map that makes more justice to the current situation of european languages