Compare
Eastern Orthodox ChurchandGreek Orthodox Church
At a glance
- Common groundIn full: Common ground
- Common inheritanceOne Eastern Orthodox communion: the same faith of the seven ecumenical councils, the Byzantine liturgical tradition and government by bishops in synod, organised as self-governing (autocephalous) churches.
2 sources
- The Orthodox Church: An Introduction to Eastern ChristianityIdentified, not independently read
- The Filioque: A Church-Dividing Issue? An Agreed StatementSource verified
Provisional: broadly supported, but awaiting fuller checking.
- GodOne God in three persons: Father, Son and Holy Spirit
- ChristChrist is fully divine and fully human; Two natures united in one person, as defined at Chalcedon (451)
- Scripture and authorityScripture read within Holy Tradition, the councils and the Fathers
- Common inheritanceOne Eastern Orthodox communion: the same faith of the seven ecumenical councils, the Byzantine liturgical tradition and government by bishops in synod, organised as self-governing (autocephalous) churches.
- What distinguishes themIn full: What distinguishes them
- GovernmentGreek Orthodox Church became self-governing from the Ecumenical Patriarchate of Constantinople (1833).Read the account
- BelongingGreek Orthodox Church belongs to Eastern Orthodox Church; it is not a separate church from it.
No difference of doctrine is recorded between them.
- How their histories connectIn full: How their histories connect
- Connected today?In full: their relationship today
In communionas of October 2026
The Church of Greece and the Ecumenical Patriarchate are in communion; the Archbishop of Athens recognised the Orthodox Church of Ukraine, as Constantinople had.
2 sources
- Patriarch Kirill stopped commemorating Archbishop of Greece on SundaySource verified
- The Orthodox Church: An Introduction to Eastern ChristianityIdentified, not independently read
Provisional: broadly supported, but awaiting fuller checking.
Greek Orthodox Church is counted within Eastern Orthodox Church.
Composed from each tradition’s sourced records. Where a topic is not yet recorded for one side, the Atlas says so rather than guess.
Structured comparison. Composed from each tradition’s sourced position records. No research has yet been written for this particular pair, so the Atlas shows only what those records establish. Greek Orthodox Church is counted within Eastern Orthodox Church. This compares a church with the wider body it belongs to.
Where they differ
No recorded differences. That is not evidence that they agree: see the topics not yet comparable below.
How their histories relate
Autocephaly · 1833
The Church of Greece becomes self-governing
A church becomes self-governing (autocephalous) within the same faith: a change of government and jurisdiction, not of doctrine.
After Greek independence King Otto's government declared the Church of Greece autocephalous (1833), a step the church's own historians call non-canonical; the Ecumenical Patriarchate recognised its autocephaly by a synodal tome of 29 June 1850.Read in Greek Orthodox Church history2 sources
- The Orthodox Church of GreeceSource verified
- History of the Church of Greece in the 20th centurySource verified
Their relationship today
In communionas of October 2026
2 sources
- Patriarch Kirill stopped commemorating Archbishop of Greece on SundaySource verified
- The Orthodox Church: An Introduction to Eastern ChristianityIdentified, not independently read
Provisional: broadly supported, but awaiting fuller checking.
Developments towards reconciliation
No documented agreement or formal dialogue between these traditions is recorded in the Atlas.
Explore further
Eastern Orthodox Church
All citations link to the Atlas’s single source register.