Title: Argentina–Uruguay border
Content:  The Argentina–Uruguay border is a line of 579 km marked by the Uruguay River, and is the border between Argentina and Uruguay. It starts in a triple border Argentina-Uruguay-Brazil, at the mouth of the Quaraí River in the Uruguay. The course follows the Uruguay river, passing west of the Uruguayan departments of Artigas, Salto, Paysandu, Rio Negro, Soriano and Colonia and the Argentine provinces of Corrientes, Entre Rios and Buenos Aires, until the confluence of the Uruguay and the Paraná rivers into the Rio de la Plata.
Title: Argentina–Bolivia border
Content:  The Argentina–Bolivia border is the international boundary between Argentina and Bolivia. From west to east, the border goes from the Altiplano to extend to the Chaco flat through the tropical environment of the Yungas.
Title: Geography of Argentina
Content:  The geography of Argentina describes the geographic features of Argentina, a country located in Southern South America. Bordered by the Andes in the west and the South Atlantic Ocean to the east, neighbouring countries are Chile to the west, Bolivia and Paraguay to the north, and Brazil and Uruguay to the northeast. In terms of area, Argentina is the second largest country of South America after Brazil, and the 8th largest country in the world. Its total area is 2,780,400 km2. Argentina claims a section of Antarctica (Argentine Antarctica) that is subject to the Antarctic Treaty. Argentina also asserts claims to several British South Atlantic islands. With a population of more than 42.1 million, Argentina ranks as the world's 32nd most populous country as of 2010.
Title: Border town
Content: Alberdi, Paraguay and Formosa, Argentina ; Assis Brasil, Brazil; Bolpebra, Bolivia; and Iñapari, Peru ; Brasiléia/Epitaciolândia, Brazil and Cobija, Bolivia ; Corumbá, Brazil and Puerto Suárez, Bolivia ; Chuí, Brazil and Chuy, Uruguay ; Cúcuta, Colombia and San Antonio del Táchira, Venezuela ; Jaguarão, Brazil and Río Branco, Uruguay ; Paso de los Libres, Argentina and Uruguaiana, Brazil ; Ponta Porã, Brazil and Pedro Juan Caballero, Paraguay ; Posadas, Argentina and Encarnación, Paraguay ; Puerto Iguazú, Argentina; Foz do Iguaçu, Brazil; and Ciudad del Este, Paraguay ; Santana do Livramento, Brazil and Rivera, Uruguay ; Santo Tomé, Argentina and São Borja, Brazil ; Tabatinga, Brazil and Leticia, Colombia ; Tulcán, Ecuador and Ipiales, Colombia ; Yacuíba, Bolivia and Salvador Mazza, Argentina 
Title: Argentina
Content:  With a mainland surface area of 2780400 km2, Argentina is located in southern South America, sharing land borders with Chile across the Andes to the west; Bolivia and Paraguay to the north; Brazil to the northeast, Uruguay and the South Atlantic Ocean to the east; and the Drake Passage to the south; for an overall land border length of 9376 km. Its coastal border over the Río de la Plata and South Atlantic Ocean is 5117 km long. Argentina's highest point is Aconcagua in the Mendoza province (6959 m above sea level), also the highest point in the Southern and Western Hemispheres. The lowest point is Laguna del Carbón in the San Julián Great Depression Santa Cruz province (-105 m below sea level, also the lowest point in the Southern and Western Hemispheres, and the seventh lowest point 
Title: Argentina–Paraguay border
Content:  The Argentina–Paraguay border is the line that limits the territories of Argentina and Paraguay. This boundary is solely defined by three major rivers: the Pilcomayo, Paraná and Paraguay, being one of the largest natural borders in the world. The capital of Paraguay, Asunción, lies on one of the banks of the Paraguay River, which borders Argentina. The capital of Argentina is Buenos Aires, which lies on one of the banks of the River Plate, made by major Paraguayan tributaries. Argentina is the country which Paraguay has the largest border with, being about 1,689 km long. It is Argentina's second largest border, after the Argentina–Chile border.
Title: Argentina–Chile border
Content:  The Argentina–Chile border is the longest international border of South America and the third longest in the world after the Canada–United States border and the Kazakhstan–Russia border. With a length of 5308 km, it separates Argentina from Chile along the Andes and on the islands of Tierra del Fuego. However, there are some border disputes, particularly around the Southern Patagonian Ice Field.
Title: Geography of Argentina
Content: Party to: Antarctic-Environmental Protocol, Antarctic-Marine Living Resources, Antarctic Seals, Antarctic Treaty, Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Law of the Sea, Marine Dumping, Nuclear Test Ban, Ozone Layer Protection, Ship Pollution, Wetlands, WhalingKoppen-Geiger Map ARG present.svg ; Signed, but not ratified: Marine Life Conservation Location relative to sea lanes between South Atlantic and South Pacific Oceans (Strait of Magellan, Beagle Channel, Drake Passage) Argentina borders five countries. Its largest and second largest international borders are the: Argentina–Chile border, which is 5308 km long and Argentina–Paraguay border which is 1699 km long. International agreements: Strategic importance:
Title: List of companies of Argentina
Content:   Argentina is a federal republic in the southern half of South America. Sharing the bulk of the Southern Cone with its neighbor Chile to the west, the country is also bordered by Bolivia and Paraguay to the north, Brazil to the northeast, Uruguay and the South Atlantic Ocean to the east, and the Drake Passage to the south. Benefiting from rich natural resources, a highly literate population, a diversified industrial base, and an export-oriented agricultural sector, the economy of Argentina is Latin America's third-largest, and the second largest in South America. It has a "very high" rating on the Human Development Index and a relatively high GDP per capita, with a considerable internal market size and a growing share of the high-tech sector. For further information on the types of business entities in this country and their abbreviations, see "Business entities in Argentina".
Title: Argentina–Chile relations
Content:  International relations between the Republic of Chile and the Argentine Republic have existed for decades. Argentina and Chile share the world's third-longest international border, which is 5300 km long and runs from north to south along the Andes mountains. Although both countries gained their independence during the South American wars of liberation, during much of the 19th and the 20th century, relations between the countries were chilled as a result of disputes over the border in Patagonia. Despite this, Chile and Argentina have never been engaged in a war with each other. In recent years, relations have improved dramatically in spite of social differences, as well as ideological differences between the current presidents of Chile and Argentina. Despite increased trade between the two countries, Argentina and Chile have followed quite different economic policies. Chile has signed free trade agreements with countries such as China, the US, Canada, South Korea, and the EU, and is an active member of the APEC, while Argentina belongs to the Mercosur regional free trade area. In April 2018, both countries suspended their membership from the UNASUR.

Question: what other countries border argentina?
Answer: Brazil.