[Geany] Problem with files in greek folders

[std05073 at di.uoa.gr]

Greetings to all the suscribers of the mailing list!

I am a Greek student and I am experiencing an odd problem with geany.
As a Greek I tend to create folders giving them names in greek fonts, well Geany
cannot open any source file that is located under a directory with greek fonts. 
In the bottom line appears the message "<directory> (No such file or
directory)". When I move the file to an english folder everything is fine. The
strange thing is that in the OpenFile dialog box all my folders appear right (
those with english fonts as well as those with greek fonts ) with my files
(whose names are always in english) right where they are supposed to be. 

Does anybody have any idea what' s wrong here?

I should also add that at somepoint in the past I had experienced the same
problem with Gimp. The solution came when I added the Gimpshop. So, could this
problem be related to the Gtk ?