The Acropolis of Athens is an ancient citadel located on a rocky outcrop above the city of Athens and contains the remains of several ancient buildings of great architectural and historical significance, the most famous being the Parthenon. The word acropolis is from the Greek words ἄκρον and πόλις.
Santorini officially Thira and classic Greek Thera is an island in the southern Aegean Sea, about 200 km (120 mi) southeast from the Greek mainland.