 Aside from numerous large parks and open spaces, the population density of the district is high.Many sites commonly associated with London are in the borough, including St James's Palace, Buckingham Palace, the Palace of Westminster (Houses of Parliament) and 10 Downing Street.The borough is divided into a number of localities including the ancient political district of Westminster; the shopping areas around Oxford Street, Regent Street, Piccadilly and Bond Street; and the night-time entertainment district of Soho.