The Chaldean Catholic Church or the Chaldean Church of Babylon (Arabic: الكنيسة الكلدانية, al-kanīsä 'l-kaldāniyyä) is an Eastern particular church of the Catholic Church, maintaining full communion with the Bishop of Rome and the rest of the Catholic Church. The Chaldean Catholic Church presently has an estimated 600,000 - 700,000 Chaldean Christians.[1]