Canton Ticino or Ticino ([]; French and German: "Tessin" [] and []) is the southernmost canton of Switzerland. The written language is Italian in almost the entire canton (except the Walser municipality of Bosco Gurin, where it is German). It surrounds the Italian exclave of Campione d'Italia. Together with areas of the canton of Graubünden it makes up the so-called "Svizzera Italiana" (Italian Switzerland). Lombard dialects (Ticinese) are still spoken, especially in the valleys, but they have no official status. It is named after the Ticino river.