| description | United States of America (country), North America, • |
| seat | Washington D.C. |
| country code (ISO 3166-1) | US |
| inferior sites | Alabama, Arizona, Arkansas, California, Colorado, Florida, Georgia, Illinois, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nebraska, New Jersey, New York, North Carolina, Ohio, Oregon, Pensylwania, Texas, Utah, Washington, Wisconsin, Washington D.C. |