The Deerfield Residence (formerly the Chief Secretary's Lodge) is the official residence of the Ambassador of the United States of America to Ireland. The premises has been the Ambassador's Official Residence since 1927, and was previously the Embassy of the United States of America in Ireland. Deerfield Residence is a large 18th-century building, sitting on 62 acres (250,000 m²) of private grounds in the centre of the Phoenix Park in Dublin. It sits across from the official residence of the President of Ireland, Áras an Uachtaráin.