South America is a continent located primarily in the Southern Hemisphere, sharing borders with North America to the northwest, Europe and Africa to the east, and the Pacific Ocean to the west
The countries located in South America among listed ones are:
Peru
Bolivia
Venezuela
Chile
Argentina
Uruguay
Paraguay
These are the South American countries from your list. The other countries, such as Cuba, Costa Rica, Dominican Republic, Mexico, and Guatemala, are not in South America; they are located in the Caribbean or Central America.
The question
which of The following countries are located in South America. Perú, Bolivia, Venezuela Cuba, Chile, Costa Rica Dominican Republic, Argentina, Uruguay Paraguay, Mexico, Guatemala