Embassy of the United Kingdom, Washington, D.C.

The British Embassy, Washington D.C. (alternatively in the US, Embassy of the United Kingdom, Washington, D.C.) is the British sovereign's diplomatic mission to the United States of America, representing the interests of the United Kingdom and British Government. It is located at 3100 Massachusetts Avenue NW in Washington, D.C. The embassy compound includes the chancery offices, as well as the British Ambassador's residence.

Source: Wikipedia — Embassy of the United Kingdom, Washington, D.C. (CC BY-SA 4.0)