Apostolic Nunciature to the United States (Holy See diplomatic mission)

The Apostolic Nunciature in Washington, D.C. is the diplomatic mission of the Holy See to the United States and serves as the Vatican's embassy and liaison to the U.S. Catholic Church. The nunciature at 3339 Massachusetts Ave NW houses the Apostolic Nuncio, who acts as ambassador to the U.S. government and papal representative to the Church in the United States. It facilitates diplomatic relations and ecclesiastical communication between the Holy See and American authorities.