The Archdiocese receives within its ranks and under its spiritual aegis and pastoral care Orthodox Christians, who either as individuals or as organized groups in Metropolises and Parishes have voluntarily come to it and which acknowledge the ecclesiastical and canonical jurisdiction of the [[Church of Constantinople|Ecumenical Patriarchate]].
The Archdiocese also includes 19 21 [[monasticism|monastic]] communities, 15 17 of which were founded by [[|Ephrem of Philotheou|Elder Ephraim]] (former abbot of [[Philotheou Monastery (Athos)]]). The largest of these is [[St. Anthony's Greek Orthodox Monastery (Florence, Arizona)]].
Additionally, one [[seminary]] is operated by the Greek Archdiocese, [[Holy Cross Greek Orthodox School of Theology (Brookline, Massachusetts)|Holy Cross Greek Orthodox School of Theology]] in Brookline, Massachusetts, which educates not only Greek Archdiocese seminarians but also those from other [[jurisdiction]]s, as well.