Oceania is a region located in the Pacific Ocean, that includes the islands of Australasia, Melanesia, and Polynesia. The region is made up of 14 countries, including Australia, New Zealand, and the islands of the Pacific. Oceania is home to a diverse population of over 40 million people and is known for its unique geography, which includes vast deserts, tropical rainforests, and pristine beaches. The region is also home to many unique and diverse cultures, including the Indigenous cultures of Australia and the Pacific Islands. The major cities in Oceania include Sydney, Melbourne, and Auckland, which are centres of commerce, finance, and culture. The region is also a popular tourist destination, known for its stunning natural beauty, including the Great Barrier Reef and the Milford Sound. Oceania is also an important centre for agriculture, mining, and energy production, and is a major contributor to the global economy.