The Chaldean Catholic Church is an Eastern Catholic particular church in full communion with the Holy See and the rest of the Catholic Church, and is headed by the Chaldean Catholic Patriarch of Babylon. Employing in its liturgy the East Syriac Rite in the Syriac language, it is part of Syriac Christianity. Headquartered in the Cathedral of Mary Mother of Sorrows, Baghdad, Iraq, since 1950, it is headed by the Catholicos-Patriarch Louis Raphaël I Sako. In 2010, it had a membership of 490,371, of whom 310,235 (63.27%) lived in the Middle East.
The Melkite Catholic Patriarchate of Antioch is the only actual residential Patriarchate of the Melkite Greek Catholic Church. It was formed in 1724 when a portion of the Orthodox Church of Antioch went into communion with Rome, becoming an Eastern Catholic Church, while the rest of the ancient Patriarchate continues in full communion with the rest of the Eastern Orthodox Church.
There are over 300,000 Catholics living in Iraq, just 0.95% of the total population. The Catholics of Iraq follow several different rites, but most are members of the Chaldean Catholic Church. There are 17 currently active dioceses and eparchies in Iraq.
The Chaldean Catholic Metropolitan Archeparchyof Tehran is an Archeparchy of the Chaldean Catholic church in Iran, with its archiepiscopal see, St. Joseph's Cathedral, in the national capital Tehran. Despite its Metropolitan rank, it has no suffragan.
Archbishop Mar Paulos Faraj Rahho was the Chaldean Catholic Archeparch of Mosul, in the northern part of Iraq.
The Chaldean Catholic Archeparchy of Kirkuk is an archeparchy of the Chaldean Catholic Church in communion with the Pope in Rome. The archeparchy was created in the early years of the nineteenth century. Its present ordinary, Archbishop Yousif Thomas Mirkis, was consecrated in 2014.
The Archeparchy of Amida is the Chaldaean rite Catholic diocese of Turkey, with its archiepiscopal see in Diyarbakır, Turkey.
Melkite Greek Catholic Archeparchy of Homs is a nominally Metropolitan Archeparchy of the Melkite Greek Catholic Church in central Syria. It was established on March 4, 1849 and has no suffragan, but two merged-in eparchial titles.
The Chaldean Catholic Archeparchy of Basra is a non-metropolitan Archeparchy of the Chaldean Catholic Church in southern Iraq.
The Syriac Catholic Archeparchy of Mosul is a non-metropolitan archeparchy of the Syriac Catholic Church, centered in the city of Mosul, in northern Iraq. It is immediately subjected to the Syriac Catholic Patriarch of Antioch and the Roman Congregation for the Oriental Churches, not part of any ecclesiastical province. Its cathedral is the Syriac Catholic Cathedral in Mosul.
The Armenian Catholic Archeparchy of Baghdad is a non-metropolitan Archeparchy of the Armenian Catholic Church, covering Iraq.
The Chaldean Catholic Eparchy of Beirut is the sole eparchy of the Chaldean Catholic Church for all Lebanon.
The Chaldean Catholic Archeparchy of Urmiā is a Metropolitan archeparchy of the Chaldean Catholic Church with see in Urmia, West Azerbaijan Province, north-west Iran.
The Chaldean Catholic Archeparchy of Ahvaz (informally called Ahvaz of the Chaldeans) is a non-Metropolitan archeparchy of the particular Chaldean Catholic Church sui iuris in Ahvaz, Khuzestan Province, southwest Iran.
The Armenian Catholic Archeparchy of Aleppo is a non-Metropolitan Archeparchy of the Armenian Catholic Church sui iuris in part of Syria.
The Syriac Catholic Archeparchy of Homs(-Hama-Nabk) is a nominally Metropolitan Archeparchy of the Syriac Catholic Church sui iuris, without suffragans, in part of Syria.
The Syriac Catholic Archeparchy of Damascus is a nominally Metropolitan archeparchy of the Syriac Catholic Church for part of Syria, without suffragans and is subordinated to the Syriac Catholic Patriarchate of Antioch. It has its cathedral archiepiscopal see in the Syrian national capital Damascus.
The Armenian Catholic Archeparchy of Lviv is a former, non-Metropolitan archeparchy of the Armenian Catholic Church sui iuris. It existed in 1630 to 1944.
The Syriac Catholic Archeparchy of Baghdad is a non-metropolitan archeparchy of the Syriac Catholic Church sui iuris for the central part of Iraq.
