The Southern Ocean, also known as the Antarctic Ocean, is the fifth-largest ocean in the world. It surrounds Antarctica and stretches from the coast of Antarctica to 60 degrees south latitude. It is home to many unique species of marine life and is an important area for scientific research. Other synonyms for the Southern Ocean include the South Polar Ocean, the Austral Ocean, the Antarctic Ocean, and the Great Southern Ocean. Despite the various names, it remains a crucial part of the world's oceans, playing an important role in regulating global climate and ocean currents.