| Patriarchal Sees (Patriarchates) (1) | Ecclesiastical Province | Country | Churches and Bishops |
| Baghdad | Iraq | | |
| Metropolitan Sees (Archdioceses) (4) | Ecclesiastical Province | Country | Churches and Bishops |
| Baghdad | Iraq | ||
| Kirkuk–Sulaimaniya | Iraq | ||
| Tehran | Iran | ||
| Urmyā | Iran | ||
| Archiepiscopal Sees (Archdioceses) (5) | Ecclesiastical Province | Country | Churches and Bishops |
| Iran | |||
| Iraq | |||
| Turkiye | |||
| Iraq | |||
| Iraq | |||
| Episcopal Sees (Dioceses) (11) | Ecclesiastical Province | Country | Churches and Bishops |
| Syria | |||
| Baghdad | Iraq | ||
| Lebanon | |||
| Egypt | |||
| Baghdad | Iraq | ||
| Canada | |||
| USA | |||
| USA | |||
| Australia | |||
| Urmyā | Iran | ||
| Baghdad | Iraq | ||
| Territories Dependent on the Patriarch (2) | Ecclesiastical Province | Country | Churches and Bishops |
| Palestine | |||
| Jordan |
Titular Metropolitan Sees (1): Rew-Ardashir (Chaldean Rite)
Titular Archiepiscopal Sees (2): Kaškar (Chaldean Rite), Nisibis (Chaldean Rite)
Titular Episcopal Sees (3): Anbar (Chaldean Rite), Mardin (Chaldean Rite), Seert (Chaldean Rite)
Last updated on 2026.04.13
© 2026 GCatholic.org