Santorini is located in the southern Aegean Sea and belongs to the island complex of Cyclades. It is one of the most famous tourist destinations of the world, thanks to its exceptional natural beauty and scenery. Santorini is also known for its volcano which exploded sixty years ago. Concerning property prices, the cost for a detached house starts from 3,000€/sqm and reaches 4,500€/sqm for a residence in Caldera. Of special interest are houses popped into the rock, which is a unique sightseeing. Its price is about 8,000€/sqm because only few transactions are realized every year.