The river that forms a boundary between Paraguay and Brazil is Iguazu River. The river is quite large and it also forms a boundary between Brazil and Argentina.
The Pilcomayo River forms a part of the border between Argentina and Bolivia. The river is the boarder for a mere 40 kilometers.
The Uruguay River.
Uruguay River
Rio Parana
guapore
Paraguay, Chile, Brazil, and, ovcourse, Argentina and Bolivia
Argentina, Bolivia, and Peru.
Argentina has borders with five countries. In the west there is a long border with Chile. In the north there are borders with Bolivia and Paraguay. To thdgfdfdfe northeast is Brazil. Between Argentina and Brazil on the Atlantic coast there is Uruguay.
The countries that border Bolivia are Peru, Brazil, Paraguay, Argentina and Chile. It is a landlocked country.
since only Bolivia paraguay Brazil Uruguay & Chile do border Argentina all 186 of the other countries do not
Uruguay, Brazil, Paraguay, Bolivia, and Chile
Argentina, Bolivia, and Peru border Chile.
Paraguay is bordered by Brazil, Bolivia, and Argentina.
Paraguay.
Argentina is bordered by Chile to the west, Bolivia and Paraguay to the north, Brazil and Uruguay to the northeast, and the South Atlantic Ocean to the east.
Both Brazil and Chile border Argentina, Bolivia and Peru.
Paraguay is bounded by three substantially larger countries: Bolivia, Argentina and Brazil