Marlborough House

Marlborough House, a Grade I listed mansion in St James's, City of Westminster, London, is the headquarters of the Commonwealth of Nations and the seat of the Commonwealth Secretariat. It was built for Sarah Churchill, Duchess of Marlborough, the favorite and confidante of Queen Anne. For over a century it served as the London residence of the dukes of Marlborough. It became a royal residence through the 19th century and first half of the 20th. It was leased by Queen Elizabeth II to the Commonwealth beginning in 1965.
==References==
==Bibliography==
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==External links==
*Visiting Information at The Commonwealth Secretariat 
*Virtual tour
*Flickr images tagged Marlborough House
Category:Christopher Wren buildings in London
Category:Houses in the City of Westminster
Category:Royal buildings in London
Category:Royal residences in the City of Westminster
Category:1711 establishments in England