http://www.lawnet.gr/
A legal search engine, which contains legislation and case law - in Hellenic only. This website requires a subscription.

http://www.et.gr/
The Hellenic Official Journal. The website is in Hellenic only. The information is free of charge.

http://www.dsanet.gr/
This is the Greek Legal Information Database (Athens Bar Association). Again, the website is Hellenic only. Still, the information is free of charge.

http://www.areiospagos.gr/
This link leads to the website of the Hellenic Supreme Court of Civil and Penal Law. Again, the page itself is available in Greek as well as English, yet the judgments are in Hellenic only. The information is free of charge.