About the OAS

• Who We Are
• What We Do
• Our Structure
• Our Locations
• Offices in Member States
• Our History
• Logo
• Authorities

Our Locations

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

• Main Building (MNB)
• General Secretariat Building (GSB)
• Administration Building (ADM)
• Art Museum of the Americas
• The Casita

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

The Main Building (MNB) is located on the corner of 17th Street and Constitution Ave., N.W., Washington, D.C. 20006, USA

The General Secretariat Building (GSB) is located on 1889 F Street, N.W., Washington, D.C. 20006, USA (corner of 19th and F Streets)

The Administration Building (ADM) is located on the corner of 19th Street and Constitution Ave., N.W., Washington, D.C. 20006, USA

The 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 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.