Whitehall is a street in central London, known for its significance in the UK government. It runs from Trafalgar Square to the Houses of Parliament and is home to several important government buildings, including the Foreign, Commonwealth & Development Office and the Ministry of Defence. The term "Whitehall" is often used to refer to the UK civil service and the government itself. This is because many key government offices are located along the street, making it a symbol of British political power and administration.