
Club Atlético San Martín (mostly known as San Martín de Tucumán) is an Argentine sports club founded in 1909 and based in the city of San Miguel de Tucumán, Tucumán Province.
Estadio La Ciudadela is a football stadium located in the Ciudadela district of San Miguel de Tucumán, Argentina. Inaugurated in 1932, the stadium is owned and operated by C.A. San Martín and has a capacity 30,250 people.