South America

South America is is a continent situated in the western hemisphere. Depending on source, South and North America are sometimes considered a single continent or supercontinent, while constituent regions are infrequently considered subcontinents. Geologically, almost all of mainland South America sits on the South American Plate. Geopolitically, all of Panama – including the segment east of the Panama Canal in the isthmus – is often considered a part of North America alone and among the countries of Central America.