national flag of greece waving in wind. scenic view from tourist boat on osiou gregoriou monastery at mount athos, chalkidiki,

greece flag sea vacation patriotism pride hellas country symbol national wind greek waving banner simonopetra moni osiou grigoriou gregoriou monastery travel monk holy mountain religion panorama orthodox tourism europe sanctuary ouranoupoli coastline mount athos nature peninsula seascape mt agion oros central macedonia chalkidiki aegean rhodope mountains dafni halkidiki mediterranean summer khalkidiki thessaloniki seashore ferry