On this and the linked pages you can see our museum top ten of Greece. The fact that five of the ten museums are in Athens has everything to do with the overwhelming cultural importance of this city. The photos shown are recent and the choice is subjective, focusing on the many archaeological museums in Greece.
Online museum guides
Many museums in Greece have beautiful museum guides, which can be consulted online (and free), a.o. museums of Eleusis, Thebes, Olympia, the NAM, the Benaki museum and so on. This service is provided by the John S. Latsis Public Benefit Foundation. Click here for the link.