Holy See of the East 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 St. Thomas. The Seat of the Patriarchs of the Chaldean Catholic Church and the Nestorian Catholicos-Patriarchs which emerged from the Ancient Church of the East is also a part of the Holy See of the East. The group of Saint Thomas Christians who left
Embassy of the United States to the Holy See in 1953. In 1994, the U.S. government acquired the property as the new chancery for embassy. On October 16, 2017, Callista L. Gingrich was confirmed by the U.S. Senate as the next Ambassador to the Holy See. The embassy is a part of the "Tri-Mission Community" in Rome, the other two being the Embassy of the United States, Rome and the United States Mission to the U.N. Agencies in Rome. Formal diplomatic relations with the Holy See were established in 1984 by President Ronald Reagan and Pope John Paul II. The mission works in partnership with the Holy See on