Santorini is an island located in the southern Aegean Sea, part of the Cyclades archipelago in Greece. It is known for its whitewashed villages, stunning sunsets, and volcanic landscape. The island is also home to the archaeological site of Akrotiri, which was destroyed by a volcanic eruption in the 16th century BC. Santorini is a popular tourist destination and is renowned for its picturesque views and vibrant nightlife.