Charterhouse Square is a garden square, a pentagonal space, in Smithfield,[n 1] central London and is the largest courtyard or yard associated with the London Charterhouse, mostly formed of Tudor and Stuart architecture restored after the London Blitz. The square adjoins other buildings including a small school. It lies between Charterhouse Street, Carthusian Street and the main Charterhouse complex of buildings south of Clerkenwell Road.