Oceania is a vast region in the Pacific Ocean, consisting of numerous islands and island nations. It includes countries like Australia, New Zealand, and the many islands of Polynesia, Micronesia, and Melanesia. The region is known for its diverse cultures, languages, and ecosystems, ranging from tropical rainforests to coral reefs. The population of Oceania is diverse, with indigenous peoples such as the Aboriginal Australians and the Maori of New Zealand. The economy varies across the region, with some countries relying on tourism, agriculture, and fishing. Oceania is also home to unique wildlife, including the kangaroo and the kiwi.