The languages spoken in GraubÃ 1\/4 nden are German in the northwest , Romansh in the Engadin and around Disentis\/Must Ã r ) , and Standard Italian in the valleys Mesolcina\/Misox , Calanca , Val Bregaglia , and Poschiavo . GraubÃ 1\/4 nden is the only canton of Switzerland with three official languages : German ( a dialect of German referred to as BÃ 1\/4 ndnerdeutsch ) in the northwest ( 68 % ) , Romansh in the Engadin and around Disentis\/Must Ã r ( 15 % ) , and Italian in the Italian GraubÃ 1\/4 nden ( 10 % ) with the remaining 7 % speaking another language . Western Lombard is also spoken , primarily in the region of Val Poschiavo , though it has no official recognition .