Argentina is a country located in South America. It is bordered by Chile to the west, Bolivia and Paraguay to the north, Brazil and Uruguay to the northeast, and the Atlantic Ocean to the east and south. Argentina is the eighth largest country in the world in terms of area and has a population of about 44 million people. Its capital and largest city is Buenos Aires. The official language is Spanish and the currency is the Argentine peso. Argentina is a federal presidential representative democratic republic, with a president as the head of state. The country is known for its rich culture and history, as well as its beautiful landscapes, including the Andes Mountains, the Pampas plains, and the Iguazu Falls.