Pyrgos Kallistis or simply Pyrgos is a village on the Aegean island of Santorini, Greece, in the Cyclades archipelago with a population of 1,078 according to the 2021 census. Pyrgos is part of the Municipality of Thira and is situated approximately 7 km away from the island's capital Fira. It is built amphitheatrically on a hill that offers magnificent views of Santorini in almost all directions.