Kos is one of Greek Dodecanese islands. Is known for it’s abundant sandy beaches. Also, it is rich with Greek and Roman ancient findings , particularly in and around busy Kos Town. This harbor city is dominated by the 15th-century Castle of the Knights fortress. It’s also home to the Kos Archaeological Museum, the Ancient Agora ruins, and the 3rd-century Casa Romana villa with its lavish mosaics.