Greek Web Directory which improves the position of your greek site on the search engines. Free submit link. Over 1600 checked greek links. Only selected greek pages... 

http://www.greeklinks.de/

Hotels directory and travel guide for holidays in Halkidiki, northern Greece. The information portal for travelers to Halkidiki, Kassandra, Sithonia and Mount Athos includes hotels, apartments directory, maps, events, entertainment, weather forecast, travel directory, and a forum... 

http://www.in-chalkidiki.com/