18 UNESCO World Heritage Sites

Useful links

Odysseus portal
For information about opening and closing hours of sites and museums, fees, covid-19 restrictions and updates and other practical information please visit Odysseus; the official portal by the Ministry of Tourism. 
http://odysseus.culture.gr/

Online tickets reservation in archaeological sites and museums.
https://etickets.tap.gr/

Ministry of Culture
https://www.culture.gov.gr/en/SitePages/default.aspx 

Greek National Tourism Organization
https://www.visitgreece.gr/experiences/culture/acropolis-of-athens/

Greece - UNESCO World Heritage Centre
https://whc.unesco.org/en/statesparties/gr

Travel press

Greek Travel Pages
https://www.gtp.gr/

Tornos News - International edition
https://www.tornosnews.gr/en/