South America is a continent located in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere.
It is bordered on the west by the Pacific Ocean and on the north and east by the Atlantic Ocean; North America and the Caribbean Sea lie to the northwest. It is formed by twelve sovereign states - Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay, and Venezuela - the French Guiana, which is an overseas region of France, and the Falkland Islands, a British Overseas Territory. In addition to this, the ABC islands of the Netherlands may also be considered part of South America, as well as Trinidad and Tobago. The South American states that border the Caribbean Sea – Colombia, Venezuela, Guyana, Suriname, and French Guiana – are also known as Caribbean South America.
South America has an area of 17,840,000 square kilometers (6,890,000 sq mi). Its population as of 2005 has been estimated at more than 371,090,000. South America ranks fourth in area (after Asia, Africa, and North America) and fifth in population (after Asia, Africa, Europe, and North America).