The island of Kos in Greece is one of the most famous ancient islands known to man and inhabited for thousands of years. It has been inhabited since 1400 BC. This island is truly the bride of Greece and one of the most important tourist destinations in it, as it brought out to the world the father of medicine known as Hippocrates, whose lessons are still today the most important medical sources, and the largest tree in the world is located, whose trunk diameter is about eleven and a half meters, It bears the name of this genius doctor. The island of Kos contains many ancient archaeological sites dating back to many successive civilizations, the most prominent of which are: the Castle of the Knights, the great Neratsia fortress, and the ruins of Askalipio. The island of Kos is a distinct tourist destination, and its beaches are among the most beautiful in Greece, which is very popular; Where it varies between soft sandy white beaches, beaches full of fine pebbles, in addition to black sand beaches that are characterized by their rarity and exoticism, and also some of its beaches have amazing golden sand, and the pure crystal blue of its water is the destination of everyone who visited this island to swim in its fresh sea.