Mount Athos Peninsula, Macedonia, Greece
Right at the junction between the Aegean and Mediterranean seas. Impressive mount reaching 2033 meters with very steep slopes to leading to the sea. It is the eastenmost of the 3 peninsulas in this area.
The place counts many monasteries; its access is restricted and reserved to males.
More information : en.wikipedia.org/wiki/Mount_Athos
And a more detailed view : www.flickr.com/photos/francoisroche/16436965759/