Historical monuments and sites Arch of Galerius Palace Complex of Galerius Rotonda White Tower Byzantine Fortification Walls Church of Aghios Demetrios Church of Aghia Sofia The Acheiropoietos Church of Panaghia Chalkeon Latomos Monastery Church of Aghia Ekaterini Church of Aghioi Apostoloi Church of Aghios Nicolaos Orfanos Church of Phrophetes Elias