Finnish is a Finno-Ugric language spoken primarily in Finland, where it is the official language, as well as in parts of Sweden and Russia. It has over 5 million speakers worldwide. Finnish has a unique linguistic history and has been influenced by various languages, including Swedish, Russian, and German. It is written using the Latin alphabet with some additional characters, and has a complex grammar structure with a system of cases, verb conjugations, and declensions. Finnish is known for its rich literary tradition and is an important language for trade and commerce in Northern Europe.