Embassy of the United States to the Holy See to the Holy See, previously located on Aventine Hill, moved to new headquarters in September 2015 in a separate building on the same compound as the United States Embassy Rome. Embassy of the United States to the Holy See The Embassy of the United States of America to the Holy See (or Embassy Vatican for short) is the diplomatic mission of United States of America to the Holy See, a term referring to the central government and universal reach of the Roman Catholic Church. The current embassy moved to new headquarters in September 2015 in a separate building on the
Administration of the Property of the Holy See Papal States in 1870. In 1891 he entrusted the management of the patrimony of the Holy See to a commission of cardinals, already set up to supervise, but not manage, the administration of Peter's Pence and of the patrimony of the Holy See. On 16 December 1926, Pope Pius XI united with this commission the Prefecture of the Sacred Palace and the Section of the Departments of the Church. On 15 August 1967, Pope Paul VI combined the Special Administration of the Holy See and the Administration of the Property of the Holy See into one office, the Administration of