Europe's largest active volcano is Mount Etna, located on the east coast of Sicily, Italy. It is a stratovolcano with a base diameter of approximately 60 km and an elevation of 3, 329 meters. Etna is one of the most active volcanoes in the world and has been erupting continuously since the 16th century. It is also the highest mountain in Italy south of the Alps. The volcano is also known as 'Mt. Etna' and is referred to by its four-letter acronym, 'ETNA'.