San Martino di Castrozza (1487 m) is a tourist resort (winter and summer), located in the upper valley of Primiero, in eastern Trentino. The west, which has 428 inhabitants, is part of the municipality of Siror, while east of 135 inhabitants, is a hamlet
of Tonadico. Since 2016, the resort will be entirely within the new municipality Primiero San Martino di Castrozza.
