The borders of Brazil are the international borders that Brazil 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 with the exception of Chile and Ecuador, totalling 16885 km. Brazil has the world's third longest land border, behind China and Russia.

Bordering countries

The lengths of the borders Brazil shares with different countries, running counter-clockwise around Brazil from French Guiana to Uruguay, are listed below: Brazil's coastline with the Atlantic Ocean is 7,491 km, which is more than twice the length of its border with Bolivia, the longest land border.

Border disputes

With Bolivia

With Uruguay

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 on the border with Argentina and Orinduik Falls on the border with Guyana. Until 1982, the border with Paraguay contained the Guaíra Falls. The falls were submerged following the construction of the Itaipu Dam.

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:

Borders over time