Pan American Union

17th St. between C St. and Constitution Ave., NW., Washington, District Of Columbia. County/parish: District of Columbia.

Added to the National Register of Historic Places June 04, 1969. NRIS 69000298.

2 contributing buildings. 1 contributing structure.

Also known as:

International Union of the American Republics

From Wikipedia:

Pan American Union Building

The Pan American Union Building is the headquarters for the Organization of American States. It is located at 17th Street N.W. between C Street N.W. and Constitution Avenue, Northwest, Washington, D.C.

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National Park Service documentation: https://catalog.archives.gov/id/117692397