Martell is a valley and comune (municipality) in South Tyrol in northern Italy. It is located in the Martell Valley of the 28.5-kilometre (17.7 mi) long river Plima, about 45 kilometres (28 mi) west of Bolzano. The commune reaches from an elevation of 957 metres (3,140 ft) up to the 3,757 metres (12,326 ft) of the Zufallspitze which towers over the southeastern end of the valley. It is the only comune in Italy without any native speakers of Italian.

South Tyrol is an autonomous province in northern Italy. An English translation of the official German and Italian names could be the Autonomous Province of Bolzano – South Tyrol, reflecting the multilingualism and different naming conventions in the area. Together with the autonomous province of Trento, South Tyrol forms the autonomous region of Trentino-Alto Adige/Südtirol. The province is the northernmost of Italy, the second largest with an area of 7,400 square kilometres (2,857 sq mi), and has a total population of about 534,000 inhabitants as of 2021. Its capital and largest city is Bolzano.