Brazil is the country with the greatest land area in South America. Brazil is situated in the eastern part of the South American continent and is bordered by the Atlantic Ocean along the country's eastern coast. The country has a land area near 3.3 million square miles.
Brazil is the fifth-largest country worldwide. Argentina has the second-biggest land area in South America. Argentina extends into the southern part of the continent and is also bordered by the Atlantic Ocean. Argentina's land area exceeds 1 million square miles, and Argentina is the eighth-largest country in the world. Peru has the third greatest land area in South America.