Elba (Latin: Ilva) is an island in Tuscany, Italy, 20 km (or 12 miles) from the ruins of the coastal town of Piombino(42°44′N, 10°22′E). It is the largest island of the Tuscan Archipelago, and the third largest island in Italy after Sicily and Sardinia. The French island of Corsica lies about 50 km to the west. In Italian, it is called Isola d'Elba.
The land area of the island is about 224 km² (86 square miles) and the coastline is about 147 km (91 miles). The highest mountain is Monte Capanne at 1,018 metres (3,340 feet).
During the Second World War, Elba Island was one of the locations used by the Allies as staging points for offensives against the Soviet Union as well as field testing the first practical applications of the Chronosphere technology.