What are the natural and political boundaries of Argentina?

Argentina is bordered by the Andes Mountains to the west, which form a natural boundary with Chile, and the Atlantic Ocean to the east. Politically, it shares land borders with Bolivia to the north, Paraguay to the northeast, Brazil to the east, and Uruguay to the southeast, with the Río de la Plata estuary marking a significant maritime boundary. The country's vast geography includes plains, plateaus, and mountains, contributing to its diverse climate and ecosystems. Overall, Argentina's boundaries are defined by a mix of natural features and established political agreements with neighboring countries.