WAfter the schism of 1552 of the Church of the East, the secessions the Chaldean Catholic Church and the Assyrian Church of the East each had around twelve dioceses each by the end of the 19th century.
WThe Chaldean Catholic Eparchy of Aleppo is the only eparchy of the Chaldean Catholic Church in Syria.
WThe Chaldean Catholic Archeparchy of Basra is a non-metropolitan Archeparchy of the Chaldean Catholic Church in southern Irak.
WThe Chaldean Catholic Archdiocese of Erbil is a Chaldean Catholic diocese with its seat in Erbil, Iraqi Kurdistan. Erected in 1968 with territory taken from the Archeparchy of Kirkuk, it is immediately subject to the Patriarchal See of Babylon. The see of the archbishop is the Cathedral of St. Joseph in Ankawa, a suburb of Erbil.
WThe Diocese of Amid (Diyarbakir) was a diocese or archdiocese of the Chaldean Church from the sixteenth to the twentieth century. From at least the 13th century the city of Amid had been part of the Diocese of Maiperqat of the Church of the East; following the schism of 1552 it became the seat of its own diocese in the Chaldean Church.
WThe Chaldean Catholic Archeparchy of Basra is a non-metropolitan Archeparchy of the Chaldean Catholic Church in southern Irak.
WThe Chaldean Catholic Archeparchy of Basra is a non-metropolitan Archeparchy of the Chaldean Catholic Church in southern Irak.