Throughout its centuries-old history, the Holy Monastery of Zograf has been richly endowed by emperors, kings, princes, patriarchs and a number of pious famous and anonymous sponsors. In addition to the vast wealth of icons, vessels and vestments, books, etc., the Monastery has a large treasury of holy relics and other sacred relics.
Among them, we shall mention two relic crosses with particles of the Holy Cross of the Lord. There are more than 40 reliquaries in the katholikon of St. George, which contain relics of St. George, the patron saint of the Monastery, St. Andrew the Apostle, St. Matthew the Evangelist, St. Philip the Apostle, St. Basil the Great, St. John Chrysostom, St. Stephen the Archdeacon, St. Charalambos, St. John Koukouzelis, St. Panteleimon, Sts. Cosmas and Damian, Sts. Cyrus and John, St. Antipas, St. Mary Magdalene, St. Parasceva, St. Procopius, St. Theodosius, St. Nicetas, St. Varlaam, St. Marina, St. Euthymius of Constantinople, St. James of Persia, St. John the Merciful, St. Vlasios (Blaise), St. Anastasia, St. Polycarp of Smyrna, St. Theodore Tiron, St. Modestus, St. Tryphon, St. Ignatius the God-bearer of Antioch, St. Olympia, etc., as well as the head of St. Matrona of Chios and the jaw of Monk Martyr and Confessor Stephen the New. A reliquary with the relics of the 26 Holy Martyrs of Zograf Monastery is also kept in the church.