ArgentinaArgentina (aɾxenˈtina), officially the Argentine Republic (República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, the fourth-largest country in the Americas, and the eighth-largest country in the world. It shares the bulk of the Southern Cone with Chile to the west, and 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.
PantanalThe Pantanal (pɐ̃taˈnaw) is a natural region encompassing the world's largest tropical wetland area, and the world's largest flooded grasslands. It is located mostly within the Brazilian state of Mato Grosso do Sul, but it extends into Mato Grosso and portions of Bolivia and Paraguay. It sprawls over an area estimated at between . Various subregional ecosystems exist, each with distinct hydrological, geological and ecological characteristics; up to 12 of them have been defined.
Mato GrossoMato Grosso (ˈmatu ˈɡɾosu – Thick Bush) is one of the states of Brazil, the third largest by area, located in the Central-West region. The state has 1.66% of the Brazilian population and is responsible for 1.9% of the Brazilian GDP. Neighboring states (from west clockwise) are: Rondônia, Amazonas, Pará, Tocantins, Goiás and Mato Grosso do Sul. The state is roughly 82.2% of the size of its southwest neighbor, the nation of Bolivia.
Paraná RiverThe Paraná River (Río Paraná ˈri.o paɾaˈna; Rio Paraná ˈʁi.u paɾaˈna; Ysyry Parana) is a river in south-central South America, running through Brazil, Paraguay, and Argentina for some . Among South American rivers, it is second in length only to the Amazon River. It merges with the Paraguay River and then farther downstream with the Uruguay River to form the Río de la Plata and empties into the Atlantic Ocean. The first European to go up the Paraná River was the Venetian explorer Sebastian Cabot, in 1526, while working for Spain.
Guaraní peopleGuarani is a group of culturally-related indigenous peoples of South America. They are distinguished from the related Tupi by their use of the Guarani language. The traditional range of the Guarani people is in what is now Paraguay between the Paraná River and lower Paraguay River, the Misiones Province of Argentina, southern Brazil once as far east as Rio de Janeiro, and parts of Uruguay and Bolivia.
Gran ChacoThe Gran Chaco or Dry Chaco is a sparsely populated, hot and semiarid lowland natural region of the Río de la Plata basin, divided among eastern Bolivia, western Paraguay, northern Argentina, and a portion of the Brazilian states of Mato Grosso and Mato Grosso do Sul, where it is connected with the Pantanal region. This land is sometimes called the Chaco Plain. The name Chaco comes from a word in Quechua, an indigenous language from the Andes and highlands of South America.
Formosa ProvinceFormosa Province (foɾˈmosa) is a province in northeastern Argentina, part of the Gran Chaco Region. Formosa's northeast end touches Asunción, Paraguay, and the province borders the provinces of Chaco and Salta to its south and west, respectively. The capital is Formosa. The name of the city (and the province) comes from the archaic Spanish word fermosa (currently hermosa) meaning "beautiful". The name Vuelta Fermosa or Vuelta la Formosa was used by Spanish sailors in the 16th century to describe the area where the Paraguay River makes a turn, right in front of the actual city.
Acre (state)Acre (ˈakɾi) is a state located in the west of the North Region of Brazil and the Amazonia Legal. Located in the westernmost part of the country, at a two-hour time difference from Brasília, Acre is bordered clockwise by the Brazilian states of Amazonas and Rondônia to the north and east, along with an international border with the Bolivian department of Pando to the southeast, and the Peruvian regions of Madre de Dios, Ucayali and Loreto to the south and west. Its capital and largest city is Rio Branco.
ParaguayParaguay (ˈpærəɡwaɪ; paɾaˈɣwaj), officially the Republic of Paraguay (República del Paraguay; Tavakuairetã Paraguái), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. It has a population of around 7.4 million, nearly 3 million of whom live in the capital and largest city of Asunción, and its surrounding metro area.
Amazon basinThe Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, Suriname, and Venezuela, as well as the territory of French Guiana. Most of the basin is covered by the Amazon rainforest, also known as Amazonia. With a area of dense tropical forest, it is the largest rainforest in the world.
