Embassy of Nicaragua, Washington, D.C.

The Eritrean ambassador in Washington, D. C. is the official representative of the Government in Asmara to the Government of the United States.

The Embassy of Eritrea in Washington, D.C. is the State of Eritrea's diplomatic mission to the United States. It's located at 1708 New Hampshire Avenue, Northwest, Washington, D.C., in the Dupont Circle neighborhood. The Eritrean Consulate office in Oakland, California was closed on 1 October 2007.The Ambassador is Ghirmai Ghebremariam.

The Fund for American Studies is a conservative non-profit organization based in Washington, D.C. Founded in 1967, the organization's mission is "to win over each new generation to the ideas of liberty, limited government and free markets."

The Thomas Nelson Page House is an historic house located in the Dupont Circle neighborhood of Washington, D.C. It has been listed on the National Register of Historic Places since 1975. The building currently serves as headquarters for the American Institute for Cancer Research.

The Embassy of Eswatini in Washington, D.C. is the Kingdom of Eswatini's diplomatic mission to the United States. It's located at 1712 New Hampshire Avenue, Northwest, Washington, D.C., in the Dupont Circle neighborhood.The Ambassador is Ephraim M. Hlophe.

The Swazi Ambassador in Washington, D. C. is the official representative of the Government in Mbabane to the Government of the United States.

The Grenadian ambassador in Washington, D.C. is the official representative of the Government in St. George's, Grenada to the Government of the United States, he has regularly coacredition at the governments in, Mexico City (Mexico) and Panama City (Panama) and as Permanent Representative to the Organization of American States.

The Namibian ambassador in Washington, D.C. is the official representative of the Government in Windhoek to the government of the United States. The two countries established diplomatic relations on 21 March 1990, the day of independence of Namibia.

The Embassy of Namibia in Washington, D.C. is the Republic of Namibia's diplomatic mission to the United States. It's located at 1605 New Hampshire Avenue, Northwest, Washington, D.C., in the Dupont Circle neighborhood.The current ambassador is Margaret Mensah-Williams.

The Perry Belmont House, sometimes referred to as the International Temple of the Order of the Eastern Star, though there are no ritual or ceremonial spaces in the building, is the world headquarters of the General Grand Chapter of the Order of the Eastern Star, one of several organizations affiliated with Freemasonry. The building is located at 1618 New Hampshire Avenue, Northwest in the Dupont Circle neighborhood of Washington, D.C. The International Temple was added to the National Register of Historic Places on May 8, 1973.

18th Street Northwest is a prominent north–south street thoroughfare in the Northwest quadrant of Washington, D.C.

Rosh Pina (ראש פינה) is a lay-led independent minyan in Washington, D.C. It meets for Shabbat morning services twice a month in the National Museum of American Jewish Military History (NMAJMH). It also meets occasionally for Friday night and holiday services, in addition to organizing social and educational events such as shabbatonim and parties to celebrate Hanukkah, Purim and other Jewish holidays.