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Saint Christopher of Trebizond was born in a village called Gazaree in Trebizond in the region of Pontus, Asia Minor.
He was the head of the Soumela Monastery on Mount Mela in the second half of the seventh century (641-668).
The Eastern Orthodox church celebrates his life on the 18th of August each year.
References
The Lives of the Monastery Builders of Soumela, A translation from the Greek of "The Great Synaxaristes of the Orthodox Church", Holy Apostles Convent , Colorado, 1991