how many countries are there in south america
There are 12 countries in South America as generally defined today: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay, and Venezuela.
French Guiana is an overseas department of France located in South America, and the region also includes a few dependent territories such as the Falkland Islands and South Georgia and the South Sandwich Islands, but these are not counted as independent countries.