The endless coasts with the turquoise waters, the vegetation, the affluent water springs, the ancient and medieval monuments, as well as the impressive Italian buildings feature Kos island; the third largest island of Dodecanese complex, located just 4 miles away from the Turkish coasts. The name «Kos» probably derives from the daughter of the mythical King Meropas, called Koos.The island has several sandy coasts. The beaches in the north side of the island are more affected by winds. Most of the coasts underwent touristic development and have easy access and various services. Some of the most visited beaches are: Nomikou-Barbagianni sandy beach extending from the city of Kos to the surrounding areas. It is an organized beach with umbrellas and deck-chairs, water sports, restaurants and bars. Zourouni sandy beach is an organized beach with umbrellas and deck-chairs, water sports, bars and loud music. Nautical Club beach with fine sand is awarded with the European Union blue flag. Milos beach with fine sand, which is also awarded with European Union blue flag. There is a coastal bar with loud music and frequent concerts.
• The Medieval Castle (Nerantzia castle). It is located in the entrance of the port, in a place probably fortified during the Byzantine period (7th century). You can see the internal fence which has four round towers and the external one with its massive bastions. The two surrounding walls are interconnected with a bridge, which is constructed above the moat which separates the walls.
• The Eleftheria Square [Liberty], which is considered to be the center of the contemporary city. It is surrounded by three massive buildings inherited from the Italian era: The municipal market, the club(which was called Fascism Palace) and theArchaeological Museum (with a prehistoric collection, statues, mosaic floors taken from the Roman buildings of the ancient city), an imitation of roman spas. At the end of the square is the Defendar Mosque.
• The ancient city, which used to be the capital of the island since 366 B.C. You can see the market, the Hellenistic Doric temple, Dionysus' altar, the port sanctuary and stoa [arcade], Hercules’ sanctuary, the ruins of the wall’s north part, the roman baths, the luxurious roman mansions with the reach mosaic floors, the roman resident as well as the roman conservatorium with a capacity of 750 seats.
• The Platanos Square [Plane-tree] or else Lotzia Square, one of the most touristic points of the town.
• The Lotzia Mosque which was constructed in 1786 and upon its walls you can see incorporated pieces of ancient and medieval monuments.
• Hippocrates’ Plane tree, right across the Lotzia Mosque. It was beneath the shadow of this tree that the great doctor used to teach his apprentices and examine his patients, therefore the tree is more than2,500 years old! The periphery of its trunk is more than 10m and its gigantic branches shadow the whole square.
• The Foinikes [Palm trees] street as well as the medieval bridge.
• The Asklipieio [Aesculapium- infirmary] , located approximately 3.5 km SW away from Kos’ town and used to be the most famous Aesculapium of the entire Greece. It was built in 4th century, after the death of Hippocrates. Among other sites, it is worth visiting the stoa [arcade], the complex of roman spas, the altar dedicated to the Sun, Imera [Day], Hecate, and to Machaona (son of Aesculapius), the ionic temple of Aesculapius, the big Doric peripteric [rectangular] temple of Aesculapius (170-160 B.C).