 It is bounded by the Paseo de la Castellana to the west, the Autopista de Circunvalación M-30 to the north and east, and the Autovía A-2 to the south.Some of the landmarks of Chamartin are the Gate of Europe, a pair of inclined office buildings; the Santiago Bernabéu Stadium, home of the football team Real Madrid; Chamartín Station, the second-largest train station in Madrid; the Cuatro Torres Business Area, a business park that comprises the four tallest skyscrapers in Spain; and the National Auditorium of Music (the main concert hall in Madrid) which hosts the Spanish National Orchestra.It is one of the wealthiest and most exclusive districts in the whole of Madrid.