Brazil is the largest country in South America, covering about 8.5 million square kilometers. It is bordered by every South American country except Chile and Ecuador. The country features diverse landscapes, including the vast Amazon Rainforest, the Pantanal wetlands, and the Brazilian Highlands. The geography of Brazil is characterized by its major river systems, particularly the Amazon River, which is one of the longest rivers in the world. The country has a tropical climate in the north and a temperate climate in the south, contributing to its rich biodiversity and varied ecosystems.