Oceania GuideOceania is a vast, arbitrarily defined expanse of the world where the Pacific Ocean – rather than land borders – connects the nations. It is home to glistening white beaches, coconut palms swaying in the breeze, beautiful coral reefs, and rugged volcanic islands rising out of the blue ocean. HotelsFind hotels in Sydney, Melbourne, Auckland, Perth and more. SydneySydney is the Harbour City. It is the largest, oldest and most cosmopolitan city in Australia with an enviable reputation as one of the world's most beautiful and liveable cities. MelbourneMelbourne is Australia's second largest city, and the capital of the south-eastern state of Victoria, located at the head of Port Phillip Bay. AucklandAuckland is the largest city in New Zealand, with a population of over 1.5 million. AustraliaAustralia is the only country that has a whole continent to itself. World famous for its natural wonders and wide open spaces, its beaches, deserts, "the bush", and "the Outback", Australia is actually one of the world's most highly urbanised countries. New ZealandNew Zealand is one of the most beautiful countries in the world, a country of stunning and diverse natural beauty: jagged mountains, rolling pasture land, steep fiords, pristine trout-filled lakes, raging rivers, scenic beaches, and active volcanic zones. PolynesiaPolynesia is the most far-flung, easterly region of Oceania. Polynesia is comprised of the following island nations: American … MelanesiaMelanesia is a region of Oceania. Melanesia consists of the following small island nations: FijiA major island tourist destination. MicronesiaMicronesia is the northwestern region of Oceania. Federated States of MicronesiaFSM scuba diving along with Palau and the Marianas is the world's best and includes the wrecks of Chuuk, Pohnpei, and the mantas of Yap. Papua New GuineaPapua New Guinea is an island nation in Oceania. There is evidence of human settlement as long ago as 35,000 years in what is now Papua New Guinea. Line IslandsLine Islands are a collection of 11 atolls in Kiribati. Northern Line Islands The Northern Line Islands also include Palmyra Atoll and Kingman Reef which are U.S.