Val Calanca
The valley belongs to the Moesa District , in the Swiss canton of Graubünden . 
<triplet> Moesa District <subj> Swiss <obj> country <subj> Graubünden <obj> located in the administrative territorial entity <triplet> Swiss <subj> Graubünden <obj> contains administrative territorial entity <triplet> Graubünden <subj> Swiss <obj> country