The United American Republic (Spanish: República Unida de América), colloquially known as Argentina and the UAR, is a prominent state within the South American Confederation and the second largest country in South America. It is the largest Spanish-speaking nation by land size and the second largest in population (second only to Mexico). The UAR's continental area is between the Andes mountain range in the west and the Atlantic Ocean in the east. It borders Paraguay and Bolivia to the north, Brazil to the northeast, and Chile to the west and south.