High Quality Content by WIKIPEDIA articles! Squares in London have long been a feature of London, England. A few, such as Trafalgar Square, were built as public open spaces, like the city squares found in many cities, but most of them originally contained private communal gardens, sometimes known as garden squares, for use by the inhabitants of the surrounding houses. This type of space is most prevalent in central London, but squares are also found in the suburbs. Some of these gardens are now open to the public, while others are still private. "Square" is a generic term for such spaces and a common road name and, in both cases, some are not actually square, or even rectangular. This is explained by two factors: