Syntagma Square, also known as Platía Sindágmatos, is the seat of the Hellenic Parliament and the Tomb of the Unknown Soldier. In addition, if we visit Syntagma Square we can see the changing of the guard on a daily basis. You have all the information in: «Athens for free: enjoy what the city has to offer without having to pay«.
You have all the information in: "Athens for free: enjoy what the city has to offer without having to pay".