<Tr> <Th> Territory </Th> <Td> Eastern Mediterranean & diaspora </Td> </Tr> <Tr> <Th> Language </Th> <Td> Koine Greek, Arabic, English, and Russian, with other local languages used in the diaspora </Td> </Tr> <Tr> <Th> Members </Th> <Td> 23--24 million (about 50% of whom are in Greece) </Td> </Tr> <Table> <Tr> <Td> Part of a series on the </Td> </Tr> <Tr> <Th> Eastern Orthodox Church </Th> </Tr> <Tr> <Td> Mosaic of Christ Pantocrator, Hagia Sophia </Td> </Tr> <Tr> <Th> Overview </Th> </Tr> <Tr> <Td> <Ul> <Li> Structure </Li> <Li> Theology (History of theology) </Li> <Li> Liturgy </Li> <Li> Church history </Li> <Li> Holy Mysteries </Li> <Li> View of salvation </Li> <Li> View of Mary </Li> <Li> View of icons </Li> </Ul> </Td> </Tr> <Tr> <Td> Background (show) <Ul> <Li> Crucifixion / Resurrection / Ascension of Jesus </Li> </Ul> <Ul> <Li> Christianity </Li> <Li> Christian Church </Li> <Li> Apostolic succession </Li> <Li> Four Marks of the Church </Li> <Li> Orthodoxy </Li> </Ul> </Td> </Tr> <Tr> <Td> Organization (show) <Ul> <Li> Autocephaly </Li> <Li> Patriarchate </Li> <Li> Ecumenical Patriarch </Li> <Li> Episcopal polity </Li> <Li> Clergy </Li> <Li> Bishops </Li> <Li> Priests </Li> <Li> Deacons </Li> <Li> Monasticism </Li> <Li> Degrees of monasticism </Li> </Ul> </Td> </Tr> <Tr> <Td> Autocephalous jurisdictions (show) <Ul> <Li> Constantinople </Li> <Li> Alexandria </Li> <Li> Antioch </Li> <Li> Jerusalem </Li> <Li> Russia </Li> <Li> Serbia </Li> <Li> Romania </Li> <Li> Bulgaria </Li> <Li> Georgia </Li> <Li> Cyprus </Li> <Li> Greece </Li> <Li> Poland </Li> <Li> Albania </Li> <Li> Czech lands and Slovakia </Li> <Li> North America </Li> </Ul> </Td> </Tr> <Tr> <Td> Ecumenical Councils (show) <Ul> <Li> Seven Ecumenical Councils: </Li> </Ul> <Ul> <Li> First </Li> <Li> Second </Li> <Li> Third </Li> <Li> Fourth </Li> <Li> Fifth </Li> <Li> Sixth </Li> <Li> Seventh </Li> </Ul> <Ul> <Li> Other important councils: </Li> </Ul> <Ul> <Li> Quinisext Council </Li> <Li> Constantinople IV </Li> <Li> Constantinople V </Li> <Li> Jassy </Li> <Li> Jerusalem </Li> </Ul> </Td> </Tr> <Tr> <Td> History (show) <Ul> <Li> Church Fathers </Li> <Li> Pentarchy </Li> <Li> Byzantine Empire </Li> <Li> Christianization of Bulgaria </Li> <Li> Christianization of Kievan Rus' </Li> <Li> Great Schism </Li> <Li> Russia </Li> <Li> Ottoman Empire </Li> <Li> North America </Li> </Ul> </Td> </Tr> <Tr> <Td> Theology (show) <Ul> <Li> History of Orthodox Theology <Ul> <Li> (20th century (Neo-Palamism)) </Li> </Ul> </Li> </Ul> <Ul> <Li> Apophaticism </Li> <Li> Chrismation </Li> <Li> Contemplative prayer </Li> <Li> Essence vs. Energies </Li> <Li> Hesychasm </Li> <Li> Holy Trinity </Li> <Li> Hypostatic union </Li> <Li> Icons </Li> <Li> Metousiosis </Li> <Li> Mystical theology </Li> <Li> Nicene Creed </Li> <Li> Nepsis </Li> <Li> Oikonomia </Li> <Li> Ousia </Li> <Li> Palamism </Li> <Li> Philokalia </Li> <Li> Phronema </Li> <Li> Sin </Li> <Li> Theosis </Li> <Li> Theotokos </Li> </Ul> <Ul> <Li> Differences from the Catholic Church </Li> <Li> Opposition to the Filioque </Li> <Li> Opposition to papal supremacy </Li> </Ul> </Td> </Tr> <Tr> <Td> Liturgy and worship (show) <Ul> <Li> Divine Liturgy </Li> <Li> Divine Services </Li> </Ul> <Ul> <Li> Akathist </Li> <Li> Apolytikion </Li> <Li> Artos </Li> <Li> Ectenia </Li> <Li> Euchologion </Li> <Li> Holy Water </Li> <Li> Iconostasis </Li> <Li> Jesus Prayer </Li> <Li> Kontakion </Li> <Li> Liturgical entrances </Li> <Li> Liturgical fans </Li> <Li> Lity </Li> <Li> Memorial service </Li> <Li> Memory Eternal </Li> <Li> Omophorion </Li> <Li> Orthodox bowing </Li> <Li> Orthodox marriage </Li> <Li> Praxis </Li> <Li> Paraklesis </Li> <Li> Paschal greeting </Li> <Li> Paschal Homily </Li> <Li> Paschal troparion </Li> <Li> Prayer rope </Li> <Li> Prosphora </Li> <Li> Russian bell ringing </Li> <Li> Semantron </Li> <Li> Sign of the cross </Li> <Li> Sticheron </Li> <Li> Troparion </Li> <Li> Vestments </Li> <Li> Use of incense </Li> </Ul> </Td> </Tr> <Tr> <Td> Liturgical calendar (show) <Ul> <Li> Paschal cycle </Li> <Li> 12 Great Feasts </Li> <Li> Other feasts: </Li> </Ul> <Ul> <Li> Feast of Orthodoxy </Li> <Li> Intercession of the Theotokos </Li> </Ul> <Ul> <Li> The four fasting periods: </Li> </Ul> <Ul> <Li> Nativity Fast </Li> <Li> Great Lent </Li> <Li> Apostles' Fast </Li> <Li> Dormition Fast </Li> </Ul> </Td> </Tr> <Tr> <Td> Major figures (show) <Ul> <Li> Athanasius of Alexandria </Li> <Li> Ephrem the Syrian </Li> <Li> Basil of Caesarea </Li> <Li> Cyril of Jerusalem </Li> <Li> Gregory of Nazianzus </Li> <Li> Gregory of Nyssa </Li> <Li> John Chrysostom </Li> <Li> Cyril of Alexandria </Li> <Li> John Climacus </Li> <Li> Maximus the Confessor </Li> <Li> John of Damascus </Li> <Li> Theodore the Studite </Li> <Li> Kassiani </Li> <Li> Cyril and Methodius </Li> <Li> Photios I of Constantinople </Li> <Li> Gregory Palamas </Li> </Ul> </Td> </Tr> <Tr> <Td> Other topics (show) <Ul> <Li> Architecture </Li> <Li> Encyclical of the Eastern Patriarchs </Li> <Li> Orthodox cross </Li> <Li> Saint titles </Li> <Li> Statistics by country </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table>

How many members are in the greek orthodox church