Kastelruth is a comune (municipality) and a village in South Tyrol in northern Italy, about 20 kilometres (12 mi) northeast of the city of Bolzano. It is one of I Borghi più belli d'Italia.

Ladin is a Romance language of the Rhaeto-Romance subgroup, mainly spoken in the Dolomite Mountains in Northern Italy in the provinces of South Tyrol, Trentino, and Belluno, by the Ladin people. It exhibits similarities to Romansh, spoken in Switzerland, as well as Friulian, spoken in north-east Italy.