Buckingham Palace is the London residence and administrative headquarters of the monarch of the United Kingdom.

Clarence House is a British royal residence on The Mall in the City of Westminster, London.

St James's Palace is one of the oldest royal palaces in the United Kingdom.

49 Belgrave Square, a grand nineteenth-century house in London.

The Embassy of Saudi Arabia in London serves as the diplomatic mission of Saudi Arabia in the United Kingdom.

10 Downing Street, colloquially known in the United Kingdom as Number 10, is the headquarters of the Government of the United Kingdom and the official residence of the First Lord of the Treasury, a post which, since 1905, has been held by the Prime Minister.

The Palace of Westminster is an iconic symbol of British history and politics, housing the UK's Parliament.

Lambeth Palace is the official London residence of the Archbishop of Canterbury.

Winfield House is the official residence of the United States Ambassador to the United Kingdom.