Argentina Argentina is the second largest country in South America and the eighth largest country in the world. Bordered by Paraguay and Bolivia in the north, Brazil and Uruguay in the north-east and Chile in the south and west. Argentina has a diverse landscape; it possesses expansive deserts, some of the world’s tallest mountains (Argentine Andes), fertile agricultural plains and rolling plateaus. Argentina’s climate ranges from subtropical in the north-east, temperate in the central regions to arid and cold in the south and along the mountain ranges. Chaco Chaco is an Argentine province located on the north of the country, near the border with Paraguay.   Patagonia Adventure travel and extreme sports, in their various modalities, are tending to increase the amount of fans in Argentina, Patagonia in particular.   Buenos Aires Buenos Aires is the financial, industrial, commercial, and cultural hub of Argentina. Its port is one of the busiest in the world.   Buenos Aires Province Buenos Aires Province is the most populated province of Argentina. The city of Buenos Aires, located next to provincial territory, is an autonomous city and not part of the province.