The patron of Tre Ville is Saint Faustinus, celebrated on 15 February, to whom the Chiesa di San Faustino is dedicated.
The municipality of 1,396 inhabitants in Trentino also holds the churches of Santa Maria Maddalena, San Giacomo Maggiore and San Bartolomeo, while among the peaks of its territory are the Cima Tosa and the Cima Fracinglo.