Primiero San Martino di Castrozza

Primiero San Martino di Castrozza is a comune (municipality) in the Province of Trentino in the Italian region Trentino-Alto Adige/Südtirol.

It was established on 1 January 2016 by the merger of the municipalities of Fiera di Primiero, Siror, Tonadico and Transacqua.