Gregoriou monastery in Mount Athos

EU Europe European Greece Greek Thessaloniki Travel abbey abbot aegean afors agio agion agion oros agios agiou agiou grigoriou ancient antique architecture athos balcony balkans belief believe berg boat building built bushes byzantine byzantium calendar castle catholic cenobite chalkidiki chapel christ christian christianity church cliff cloister coenobitic courtyard culture day destination dramatic eastern explore faith fall famous ferry fort friar god gora great greek orthodox greek-orthodox gregoriou gregory grigoriou halkidiki heritage hermit high hill historic history holy holy mountain jesus journey karyes landmark landscape liturgy macedonia makedonia mediaval mediterranean monastery monastiri moni monk monks mount mount athos mountain mt nature oros orthodox orthodox church orthodoxy ortodox osios osiou patriarchate patriarche peninsula penninsula pilgrim pilgrimage plants pray preserve priest ray religion religious religius residence rocks roof saint saint gregory sanctuary scenic sea sfeta spirituality st st. gregory stone structure sveta tour touristic tower tradition transportation trees unesco vacation view water world