Elba is a Mediterranean island in the regino of Tuscany in Italy, 10 km (6.2 mi) from the coastal town of Piombino on the Italian mainland, and the largest island of the Tuscan Archipelago. It is also part of the Arcipelago Toscano National Park, and the third largest island in Italy, after Sicily and Sardinia. It is located in the Tyrrhenian Sea about 50 km (30 mi) east of the French island of Corsica.