In most cases, it's mainly major or Olympics-related sites which have been affected. This includes some sites near Olympic venues which are expected to get more visitors than usual. Less popular attractions will be more likely to be operating normally. Most attractions on smaller islands are operating normally.
Known Site Closures
Akrotiri on the island of Santorini
Estimated opening date: Spring 2004
The National Archaeological Museum in Athens
Estimated opening date: June 2004
UPDATE: Reopens June 25th.
Palace of Knossos on the island of Crete
Estimated opening date: Spring 2004
UPDATE: Reopened in May, 2004
Athens Agora/Stoa of Attalus in Athens
Estimated opening date: Spring 2004
Archaeological Museum of Delphi
Most of museum is closed; two rooms with some key items remain viewable. The adjacent archaeological site of Delphi remains open to visitors.
Estimated opening date: May 2004
Archaeological Museum of Olympia
Closed until about Easter 2004 (Easter Sunday is April 11th, though this is unlikely to be the precise date the Museum reopens)
UPDATE: Reopened in April, 2004
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