The headquarters of the Hellenic Olympic Committee are Dimitrios Vikelas avenue, in Halandri and approximately 100m away from the Olympic Stadium of Athens. The building constructed in 1999, disposes of an amphitheatre for 300 persons equipped with all technical means, a conference hall and a 3-storey garage.
The HOC is responsible for the administration, the management and the maintenance of its premises such as:
The Panathenaic Stadium
The Olympic swimming center of Athens
The neoclassical building Kapsali str. (headquarters of the HOC until 1999)
The premises at Ancient Olympia where the International Olympic Academy is located.
The Museum of the Modern Olympic games in Olympia
The Athens Olympic Complex (OAKA) that was constructed within an area belonging to the HOC; therefore representatives of the HOC participate in the Executive Board of OAKA.