BoscoGurin or Bosco/Gurin (Walser German: Gurin / Guryn, Lombard: Bosch / Gürin) is a municipality of the district of Vallemaggia in the canton of Ticino
circle of Rovana: Cevio, Linescio, Cerentino, Campo (Vallemaggia), BoscoGurin; circle of Maggia: Maggia, Avegno, Gordevio; circle of Lavizzara: Lavizzara
Italian in almost the entire canton (except the Walser municipality of BoscoGurin, where it is German). It surrounds the Italian exclave of Campione d'Italia