Greece, Ancient landmark citadel Acropolis in Athens, a UNESCO site, Europe

acropolis athens balkan balkan peninsula balkans castell castelo downtown europe europe's famous place fort castle greece greek historic district historic quarter inner city inner town international landmark no people old town area ruined building ruins complex south europe southeast europe southeastern europe southern europe town centre unesco unesco world heritage unesco site ancient ancient greece ancient greek civilization ancient city ancient civilization ancient times ancient world antique antiquity archaeologic archaeological archaeological area archaeological site archaeology archeologic archeological archeology architecture attraction building capital capital city castle citadel city city center city centre construction culture defence work defense facility defensive fortification defensive work deserted empty european excavation excavation field excavation site fortification fortress heritage historic historic center historic centre historic city center historic city centre historic old town historical historical old town landmark midtown municipal no one nobody old old city old district old town place of interest religious building ruin ruin site ruined town sacral building sacred building sight structure temple temple ruin tourist attraction tourist landmark tourist spot town town center travel photography uninhabited urban urban environment