The official language of Spain is Spanish, also known as Castilian (Castellano). Spanish is one of the most widely spoken languages globally, with over 460 million native speakers and significant populations in Latin America and the United States. In Spain, regional languages, such as Catalan, Galician, and Basque, also hold co-official status in their respective autonomous communities. Spanish culture, literature, and media have played a vital role in shaping global discourse, making it essential for communication in various fields, including business, education, and tourism. The language continues to evolve, reflecting Spain's diverse history and society.