Marlborough House

Marlborough House is a historic building in central London, constructed in the late 19th century as a private residence for the Duke and Duchess of Marlborough. Located near St. James’s Park, it features classical architecture with grand rooms and landscaped gardens. Over time, it has served various purposes, including as a government office, diplomatic residence, and currently as the headquarters of the Commonwealth Secretariat, which manages cooperation among member countries. Its elegant design and prominent location make it a notable example of Victorian architecture and an important site in British and Commonwealth history.