The Castellana Language, also known as Castilian, is a Romance language that originated in the region of Castile in Spain. It is the most widely spoken language in the country and serves as the official language of Spain. Castellana is also the basis for the standard form of the Spanish language used in international communication. As a member of the Iberian Romance languages, Castellana evolved from Latin and has influenced many other languages and dialects. It is characterized by its rich vocabulary and diverse regional accents, reflecting the cultural heritage of the various regions in Spain where it is spoken.