Danilov Monastery
The headquarters of the Catholic Church is Vatican City. The World Headquarters of Jehovah's Witnesses is relocated in Warwick, New York, from its former location, Brooklyn, New York. The headquarters of the Russian Orthodox Church is in Danilov Monastery, Moscow. The World Council of Churches, including Orthodox Churches, has its headquarters in Geneva, Switzerland. The headquarters of Ecumenical Patriarch of Constantinople is located in Istanbul, Turkey. The headquarters of The Church of Jesus Christ of Latter-day Saints is located in Salt Lake City, Utah. The Anglican Communion Office is in London.