Holy See–United States relations

United States–Holy See relations are bilateral relations between the United States and the Holy See. The principal U.S. official is Ambassador Ken Hackett. The Holy See is represented by Apostolic Nuncio Archbishop Carlo Maria Viganò, who assumed office on October 19, 2011. The U.S. Embassy to the Holy See is located in Rome in the Villa Domiziana. The Nunciature to the United States is located in Washington, D.C. at 3339 Massachusetts Avenue, N.W.