The northern part of this country is home to plains known as the Pampas, and the Rio de la Plata lies between it and Uruguay.
This country's province of Mendoza contains the continent's highest peak. This country and the UK have disputed claims over South Georgia and South Sandwich Islands. The Iguazu River, known for its namesake falls, flows into the Parana River in this country. This country's southern portion contains most of the Patagonia region, and it owns the eastern half of Tierra del Fuego. The northern part of this country is home to plains known as the Pampas, and the Rio de la Plata lies between it and Uruguay. For 10 points, name this South American country with capital Buenos Aires.
This country's province of Mendoza contains the continent's highest peak.
{Argentina}