Saint Euthymios of Zela the Ethno-Hieromartyr, (Greek: ? ????? ????µ??? ? ?e??µ??t??a? ?p?s??p?? ?????), born Eustratios Agritellis, 1876–1921, was the last resident Bishop of the Diocese of Zela in Amasya, Western Pontus, which he served from June 12, 1912 until his death on May 29, 1921, during the period of the Greek genocide.His memory is celebrated on May 29, as well as on the Sunday before the Exaltation of the Holy Cross.