San Martín is a department in the east of San Juan province (Argentina). It is predominantly a landscape of mountains in the east and significant production wine, with the installation of prestigious wineries with a remarkable track record in the province known nationally by the development of wine table and fine wine. The department was created on 19 September 1942 from a division of other lands, taking its name from José de San Martín. In 1996, it became the second controlled appellation established in Mendoza alongside the renowned Luján de Cuyo.