Kensington Palace Gardens is an exclusive street in Kensington, west of central London, near Kensington Gardens and Kensington Palace. Entered through gates at either end and guarded by sentry boxes, it was the location of the London Cage, the British government MI19 centre used during the Second World War and the Cold War. Several foreign diplomatic missions are located along it. It connects Notting Hill Gate with Kensington High Street. The southern section of Kensington Palace Gardens is called Palace Green.