Most of Australia and Oceania is under the Pacific, a vast body of water that is larger than all the Earth's continental landmasses and islands combined. The name " Oceania " justly establishes the Pacific Ocean as the defining characteristic of the region. Cape of Good Hope diversion adds 6,000 nautical miles and three or four weeks to delivery times and has driven up oil prices More than 100 container ships have been rerouted around southern Africa In many cases, you will regularly see the continent of Australia defined as "Australia/Oceania." Fundamentally, Australia itself is both a continent and a country: Australia is a country that is part of a continent also called Australia, all of which is part of a region known as Oceania. Australasia and Oceania: Let's delve into the specifics. Oceania is a vast region consisting of four different parts: Australasia, Melanesia, Micronesia, and Polynesia. Today, we will focus primarily on Australasia. Australasia: Australasia comprises only a portion of the larger Oceania continent. Most of Oceania, including Australia, is under the Pacific, a vast body of water that is larger than all Earth's continental landmasses and islands combined. The name "Oceania" justly establishes the Pacific Ocean as the defining characteristic of the region. Oceania is dominated by the nation of Australia. pYdwMp2.