Wonderful placid lakes that were
once volcanic craters, soaring cliffs, undulating countryside, a confection of flora and fauna, geysers, spouting mineral springs, and secluded coves are in abundance throughout.
Once circular, it was known as Strongili, «the Round One», but some 3,600 years ago, at the height of the ancient Minoan civilization, a mighty
volcanic eruption caused the centre of Strongili to sink, leaving a water - filled
crater — Santorini's famous caldera.