San Luis is the capital city of San Luis Province in the Cuyo region of Argentina. It is also the seat of the Juan Martín de Pueyrredón Depar…San Luis is the capital city of San Luis Province in the Cuyo region of Argentina. It is also the seat of the Juan Martín de Pueyrredón Department. Points of interest in the city include the Park of the Nations, the neoclassical cathedral, a number of museums, including the Dora Ochoa De Masramón Provincial Museum, and examples of colonial architecture. A number of landmarks honour the Argentine War of Independence, as well. Independence Park features an equestrian monument to General José de San Martín, liberator of Argentina, Chile and Perú. Nearby Pringles Plaza honours Colonel Juan Pascual Pringles, one of San Martín's chief adjutants and, briefly, Governor of San Luis Province.