Argentina is a country in South America. It is the second largest country in South America and eighth in the world by land area. Argentina borders Paraguay and Bolivia to the north, Brazil and Uruguay to the northeast, and Chile to the west and south. The capital city of Argentina is Buenos Aires.
Brazil is a country in South America. It is the fifth largest country by geographical area. Brazil is bordered on the north by Venezuela, Suriname, Guyana and the overseas department of French Guiana; on the northwest by Colombia; on the west by Bolivia and Peru; on the southwest by Argentina and Paraguay and on the south by Uruguay. Numerous archipelagos are part of the Brazilian territory, such as Fernando de Noronha, Rocas Atoll, Saint Peter and Paul Rocks, and Trindade and Martim Vaz. The capital city of Brazil is BrasÃlia.