The borders of Brazil are the international borders that

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

shares with neighbouring countries. Brazil has terrestrial boundaries with nine countries of South America, and with the French Department of Guiana. Brazil has borders with every country in

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

with the exception of

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

and

Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ''Eku ...

, totalling . Brazil has the world's third longest land border, behind

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

and

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

Bordering countries

The lengths of the borders Brazil shares with different countries, running counter-clockwise around Brazil from

French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas departments and regions of France, overseas department/region and single territorial collectivity of France on the northern Atlantic ...

Uruguay Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...

, are listed below:
Brazil's coastline with the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

is 7,491 km, which is more than twice the length of its border with Bolivia, the longest land border.

Border disputes

With Bolivia

* Isla Suárez (Bolivian name), or Ilha de Guajará-mirim (Brazilian name), a

river island River Island is a London-based, multi-channel fashion brand, founded in 1948 by Bernard Lewis. The retailer has a presence in over 125 of worldwide markets, in stores and online. Best known for its trend focused womenswear offering, River Isla ...

on the

Mamoré River The Mamoré is a large river in Brazil and Bolivia which unites with the Beni to form the Madeira, one of the largest tributaries of the Amazon. It rises on the northern slope of the Sierra de Cochabamba, east of the city of Cochabamba, and is k ...

is claimed by both Bolivia and Brazil.

With Uruguay

* A triangular region, named ''Rincão de Artigas'' in Portuguese, is controlled by Brazil and claimed by Uruguay. The dispute is due to a disagreement as to where a stream known as ''Arroyo de la Invernada'' begins and where it ends. *

Brazilian Island Brazilian Island ( pt, Ilha Brasileira; in Standard es, Isla Brasileña; in Portuñol/Portunhol: ''Isla Brasilera'') is a small uninhabited river island at the confluence of the Uruguay River and the Quaraí (Cuareim) River, between the borde ...

, a

at the junction of the

Quaraí River Quarai is a Brazilian municipality located near the border with Uruguay on the Rio Quaraí. The population is 22,607 (2020 est.) in an area of 3,147.63 km2, making it one of the largest municipalities in the state. Its elevation is 112 m. It ...

and the

Uruguay River The Uruguay River ( es, Río Uruguay, ; pt, Rio Uruguai, ) is a major river in South America. It flows from north to south and forms parts of the boundaries of Brazil, Argentina, and Uruguay, separating some of the Argentine provinces of La M ...

on the border between Argentina, Brazil, and Uruguay is claimed by both Uruguay and Brazil. Brazil has ''de facto'' control of it.

Water falls

With many of Brazil's borders defined by rivers, there are several water falls along the border. The most notable border water falls include the

Iguazu Falls Iguazú Falls or Iguaçu Falls ( gn, Chororõ Yguasu , es, Cataratas del Iguazú, links=no ; pt, Cataratas do Iguaçu ) are waterfalls of the Iguazu River on the border of the Argentine province of Misiones and the Brazilian state of Paraná. ...

on the border with Argentina and

Orinduik Falls The Orinduik Falls lie on the Ireng River, a highland river that thunders over steps and terraces of red jasper on the border of Guyana and Brazil before merging with the Takutu River and into Brazil to join the Amazon River. The falls are situate ...

on the border with Guyana. Until 1982, the border with Paraguay contained the

Guaíra Falls Guairá Falls ( es, Saltos del Guairá, pt, Salto das Sete Quedas do Guaíra) were a series of immense waterfalls on the Paraná River along the border between Paraguay and Brazil. The falls ceased to exist in 1982 when they were inundated by the ...

. The falls were submerged following the construction of the

Itaipu Dam The Itaipu Dam ( pt, Barragem de Itaipu , es, Represa de Itaipú ) is a hydroelectric dam on the Paraná River located on the border between Brazil and Paraguay. The construction of the dam was first contested by Argentina, but the negotiations ...

Triple points

With 10 bordering countries forming a single incomplete ring around Brazil, the borders of Brazil include 9 triple points (also called tripoints) in which the borders of three countries join at a single point. A few of the triple points are notable: * Mount Roraima: The tripoint of Brazil, Guyana and Venezuela. Due to a border dispute between Venezuela and Guyana, Venezuela does not recognize this point as the tripoint. *

Tres Fronteras Tres Fronteras ( pt, Três Fronteiras, en, Three Frontiers) is the Spanish name for an area of the Amazon Rainforest in the Upper Amazon region of South America. Geography It includes, and is named for, the tripoint where the borders of Brazil, ...

: The tripoint of Brazil, Peru, and Colombia. *

Assis Brasil Assis Brasil () is a municipality located in the south of the Brazilian state of Acre. Its population is 7,534 (2020 est) and its area is . The municipality contains part of the Rio Acre Ecological Station. It also contains part of the Chico ...

Bolpebra

Iñapari Iñapari is a Peruvian village capital of the Tahuamanu Province in the Madre de Dios Region, located on the triple border of Bolivia, Brazil and Peru. It is connected to Brazil by the Brazil-Peru Integration Bridge, an international bridge cr ...

: The tripoint of Brazil, Bolivia, and Peru. *

Triple Frontier The Triple Frontier ( es, Triple Frontera, pt, Tríplice Fronteira) is a tri-border area along the junction of Argentina, Brazil and Paraguay, where the Iguazú and Paraná rivers converge. Near the confluence are the cities of Puerto Igua ...

: The tripoint of Brazil, Argentina, and Paraguay. *

: The tripoint of Brazil, Argentina, and Uruguay. Due to a border dispute between Brazil and Uruguay over the

, the exact position of the tripoint is in dispute.

Borders over time

References

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