Lipari is a comune including six of seven islands of the Aeolian Islands and it is located in the Tyrrhenian Sea off the northern coast of Sicily, Southern Italy; it is administratively part of the Metropolitan City of Messina. Its population is 12,821, but during the May to September tourist season, the total population may reach up to 20,000. It is also the name of the biggest island in the archipelago, where the main urban area of the comune is located.