Spanish language
In Spain and in some other parts of the Spanish-speaking world, Spanish is called not only (Spanish) but also (Castilian), the language from the kingdom of Castile, contrasting it with other languages spoken in Spain such as Galician, Basque, Asturian, Catalan, Aragonese and Occitan.
Spanish Sign Language
From a strictly linguistic point of view, Spanish Sign Language refers to a sign language variety employed in an extensive central-interior area of the Iberian Peninsula, having Madrid as a cultural and linguistic epicenter, with other varieties used in regions such as Asturias, Aragon, Murcia, parts of western Andalusia and near the Province of Burgos.