Embassy of the United States to the Holy See 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 same compound as the United States Embassy Rome. The embassy was previously located on Aventine Hill in the Villa Domiziana in Rome, Italy, which was built as a private residence
Legal status of the Holy See of effectiveness", that is, from the fact that other states voluntarily recognize the Holy See, acquiesce having bilateral relations with it, and in fact do so, in a situation where no rule of "ius cogens" is breached. For him, though, the international personality thus conferred is effective only towards those states prepared to enter into diplomatic relations with it. Crawford similarly believes that the recognition of a number of states is important evidence to acknowledge the legal personality of the Holy See, so that, today, it cannot be denied. For a third group of authors, the international legal personality of