The island renowned for its historical sites, including the Acropolis, is Greece, specifically the city of Athens. The Acropolis is an ancient citadel on a rocky outcrop above the city, featuring several iconic buildings, the most famous being the Parthenon. This UNESCO World Heritage Site reflects the architectural and artistic achievements of ancient Greece, particularly during the Classical period. The site attracts tourists worldwide, serving as a symbol of the country's historical significance and influence on Western civilization.