Grigno is a comune (municipality) in Trentino in the northern Italian

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 region Trentino-Alto Adige/Südtirol, located about 40 km east of Trento

Trento

Trento is an Italian city located in the Adige River valley in Trentino-Alto Adige/Südtirol. It is the capital of Trentino...

.

Grigno borders the following municipalities: Castello Tesino

Castello Tesino

Castello Tesino is a comune in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 40 km east of Trento...

, Cinte Tesino

Cinte Tesino

Cinte Tesino is a comune in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 40 km east of Trento. As of 31 December 2004, it had a population of 392 and an area of 25.9 km²....

, Ospedaletto, Arsiè

Arsiè

Arsiè is a comune in the Province of Belluno in the Italian region Veneto, located about 80 km northwest of Venice and about 40 km southwest of Belluno...

, Asiago

Asiago

Asiago is the name of both a minor township and the surrounding plateau region in the Province of Vicenza in the Veneto region of Northeastern Italy...

, Cismon del Grappa

Cismon del Grappa

Cismon del Grappa is a town and comune in the province of Vicenza, Veneto, Italy. It is east of SS47.-References:*...

 and Enego

Enego

Enego is a town and comune in the province of Vicenza, Veneto, Italy. It is west of SS47 state road.It was once the seat of a castle used by the Ezzelino family, now demolished. The Ponte Valgadena is the highest viaduct in Italy, the third in Europe, with a length of 282 m and a height of 175 m....

. it is home to the Grotta della Bigonda and Grotta Calgeron grotto complexes, as well as two prehistorical archaeological sites (Riparo Dalmeri e la Grotta di Ernesto).