Calalzo di Cadore is a municipality of 2,400 inhabitants of the province of Belluno, in the Italian region of Veneto. The name Calalzo derives fro…Calalzo di Cadore is a municipality of 2,400 inhabitants of the province of Belluno, in the Italian region of Veneto. The name Calalzo derives from the Latin altus callis, meaning "high place." The geographical name "di Cadore" was added by Presidential Decree on 30 June 1959.