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 language
functions as formal and informal second person plural in over 90% of the Spanish-speaking world, including all of Hispanic America, the Canary Islands, and some regions of Andalusia. In Seville, Huelva, Cadiz, and other parts of western Andalusia, the familiar form is constructed as , using the traditional second-person plural form of the verb. Most of Spain maintains the formal/familiar distinction with and respectively.