Bosco Gurin or Bosco/Gurin (WalserGerman: Gurin / Guryn, Lombard: Bosch / Gürin) is a municipality of the district of Vallemaggia in the canton of Ticino
(Switzerland), Ulrichen (Switzerland). The village was founded by Walser and WalserGerman is still spoken. "Superficie di Comuni Province e Regioni italiane
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