KTEL.org

The main bus operator site in Greece. Pages include 'click on maps' of major routes that then bring up timetable information (usually to and from Athens).

 

Athens Metro

Pretty conventional site (flashed up as much as possible). Actually the interface is rather irritating thanks to windows popping up all over the place.

Hellenic Railways

All Greek site run by the national rail operator.

Greek Trains

A rail fan's collection of pages covering the Greek rail network. Better than the national operator's site. Includes some photos of stations.