In the study, we pay attention to the Orthodox Church calendar of 1928, which was published in Yu Lajo’s printing house, based in the village of Ladomirovo in Eastern Slovakia, by Orthodox missionaries who had emigrated from Russia. We consider the calendar as a genre of the religious sphere of communication. The object of the research is georthonyms as a peripheral lexical-semantic field of the onomastic space of the Russian language used in ‘Orthodox calendars’ in the last century. They make one of the constituent parts of the Christian sacred onomasticon, a reflection of the religious linguistic picture of the world in the early 20th century. The appeal to onomastics as a material for ethnolinguistic and linguoculturological research see...