Our Locations

Telephone: +1 (202) 370-5000.

The OAS headquarters is located in Washington, D.C. It is made up of five buildings, all in the vicinity of each other:

Please click here to see the location of the OAS Country Offices.

Main Building (MNB)The Main Building (MNB) is located on the corner of 17th Street and Constitution Ave., N.W., Washington, D.C. 20006, USA
General Services Building (GSB)The General Secretariat Building (GSB) is located on 1889 F Street, N.W., Washington, D.C. 20006, USA (corner of 19th and F Streets)
Administration Building (ADM)The Administration Building (ADM) is located on the corner of 19th Street and Constitution Ave., N.W., Washington, D.C. 20006, USA
Art Museum of the AmericasThe Art Museum of the Americas is located on 201 18th Street, N.W., Washington, D.C. 20006, USA (corner of 18th Street and Constitution Ave.)
The CasitaThe Casita is located on the corner of 18th and C Streets, N.W., Washington, D.C. 20006, USA

Transportation: Farragut West Metro station. Orange/Blue lines. 18th Street exit.

Please click here to see the location of the OAS Country Offices.