International Monument Day
WHAT: There will be free entrance to all monuments and archaeological sites in Greece on Monday, April 18, to mark the International Day of Monuments and Sites. A perfect excuse to visit or re-visit Greece’s treasures of art and civilization.
WHERE: All monuments and archaeological sites including the Acropolis, the Ancient Agora, Delphi and Olympia.
WHEN: April 18
check the opening times on Website