The Oriental Orthodox Church preserves ancient liturgical practices and is one of the three major divisions of Eastern Christianity, distinct from the Eastern Orthodox Church and the Church of the East.

The council invited representatives from several Eastern Orthodox Churches to discuss ecumenical cooperation.

The Syriac Orthodox Church preserves ancient liturgical traditions and manuscripts that have survived for centuries.

The Romanian Orthodox Church organized a charity concert to raise funds for earthquake relief.

The Bulgarian Orthodox Church organized a nationwide outreach program to support rural communities.

Scholars visited the Georgian Orthodox Church to study its medieval frescoes.

The Antiochian Orthodox Church celebrated its liturgy in both Arabic and English, welcoming worshippers from diverse backgrounds.

Scholars gathered to study the historical archives of the Serbian Orthodox Church.

Delegates from the Constantinopolitan Orthodox Church issued a joint statement on interfaith dialogue.

The Alexandrian Orthodox Church celebrated its millennium with a series of interfaith dialogues and charitable initiatives.