Catalan is a Romance language spoken in Catalonia, Valencia, the Balearic Islands, and the eastern part of Aragon in Spain, as well as in the Roussillon region of France and the city of Alghero in Sardinia, Italy. It is the official language of Catalonia and the Balearic Islands, and has over 9 million speakers worldwide. Catalan has a rich literary tradition and has been influenced by various languages, including Latin, French, and Spanish. It is written using the Latin alphabet with some additional characters, and has a complex grammar structure with a system of verb conjugations and noun declensions. Catalan is known for its art, architecture, and music, and is an important language for trade and commerce in the Mediterranean region.