Hellenic Heritage is the one and only official website for Acropolis tickets: https://hhticket.gr/ It is also the official website for more than 25 other archaeological and historical sites in Greece.  Here is the list: https://hhticket.gr/tap_b2c_new/english/tap.exe?PM=P1P&region=all   To buy Acropolis tickets: Go to https://hhticket.gr/ Click on "Buy Tickets" Click on "Acropolis and Slopes" Select your date Select your time slot Select