Catholicos is the title used by head bishops of regions within the Patriachate of Antioch having self ecclesiastical and autonomus status from the ancient period. The word "Catholicos" means "Universal". There existed 4 Catholicates within the Patriarchate of Antioh: 1. Catholicate of Echmiadzin 2. Catholicate of East 3. Catholicate of Iberia 4. Catholicate of Caucasian Albania