The Estadio Nacional Julio Martínez Prádanos is an association football stadium in Santiago, Chile. Located in the Ñuñoa commune, it is part of the Estadio Nacional Sports Park, a 62 hectare sporting complex which also features tennis courts, an aquatics center, a modern gymnasium, a velodrome, a BMX circuit, and an assistant ground/warmup athletics track. Construction began in February 1937 and the stadium was inaugurated on December 3, 1938. Wikipedia