Which region is primarily associated with the term "Oceania"?

Oceania refers to a vast region that encompasses the islands and archipelagos of the Pacific Ocean, with Australia being the largest landmass within this region. The term "Oceania" is often used to describe not just Australia, but also the islands that surround it, including New Zealand, Papua New Guinea, and the numerous smaller islands in the Pacific.

Australia serves as a central geographical and cultural reference point within Oceania, influencing the region's climatic, environmental, and social characteristics. The concept of Oceania encompasses not only the physical geography but also the diverse ecosystems, cultures, and histories found in this part of the world.

In contrast, regions like South America, North America, and Greenland fall outside the definition of Oceania, as they are primarily located in the Western Hemisphere and do not contribute to the Pacific context that defines the term. Therefore, Australia is the most fitting representation of the term "Oceania."