While the majority is part of the Church of Greece constituting the autocephalous church of Greece, the dioceses of Crete and the Dodecanese, and Mount Athos are under the direct jurisdiction of the Patriarchate of Constantinople.
This passage describes the division of authority within the Greek Orthodox Church, with the majority being under the jurisdiction of the autocephalous Church of Greece but some dioceses (Crete, Dodecanese, and Mount Athos) falling under the direct control of the Patriarchate of Constantinople.