Holy See of the East Seat of the Major Archiepiscopal Curia is in Catholicate Centre, Trivandrum, Kerala, India. The Chaldean Catholic Church is a part of the Eastern Rite Churches under the patronage of Pope Francis of Rome and under the leadership of the Patriarch, Louis Raphael I Sako. Holy See of the East Holy See of the East is an honorary name of the sees of a number of Christian churches in the Middle East and India. The Head & Father of the Marthoma Nazrani Church and the Gate of All India is commonly known as the successor to the Holy Apostolic See of
Mother See of Holy Etchmiadzin Mother See of Holy Etchmiadzin Mother See of Holy Etchmiadzin (, "Mayr At'oř Surb Ēĵmiatsin"), is the governing body of the Armenian Apostolic Church. It is headquartered around Etchmiadzin Cathedral in Vagharshapat (Etchmiadzin), Armenia and is the seat of the Catholicos of All Armenians, the head of the church. The organizational structure of the Mother See of Holy Etchmiadzin is composed of spiritual and administrative bodies representing the authority of the Armenian Church, as follows: The Supreme Spiritual Council ( "Geraguyn Hokevor Khorhurt") is headed by the Catholicos of All Armenians. It is the highest executive body of the Armenian