Sydney Opera House. One of the most significant landmarks in Australia and a symbol of the country, the Sydney Opera House, was completed in 1973, and to this day, it's the most revered building on the continent. The construction of the opera took 14 years and went over the budget quite a lot. While the original cost estimate was seven mln Here is a map that shows Oceania - it uses the broadest possible definition of what countries are in Oceania. The most common definition of Oceania (used by the UN and IOC) includes Australia, New Zealand, How many countries are there in Australia? As noted above, working out how many countries are in the Australian continent depends very Pacific Islands, geographic region of the Pacific Ocean. It comprises three ethnogeographic groupings—Melanesia, Micronesia, and Polynesia—but conventionally excludes Australia, the Indonesian, Philippine, and Japanese archipelagoes, and the Ryukyu, Bonin, Volcano, and Kuril island arcs beyond Japan. List of Oceanian countries. This is a list of countries in the Continent of Oceania. Flag Map English names, and ISO Local name(s) Capital Population 2021 Area Currency; Australia Commonwealth of Australia AUS English: Australia — Commonwealth of Australia: Canberra: 25,921,089 7,741,220 km 2 (2,988,902 sq mi) Australian dollar Southeast Asia stretches some 4,000 miles at its greatest extent (roughly from northwest to southeast) and encompasses some 5,000,000 square miles (13,000,000 square km) of land and sea, of which about 1,736,000 square miles is land. Mount Hkakabo in northern Myanmar on the border with China, at 19,295 feet (5,881 metres), is the highest peak Oceania, island in the South Pacific Ocean, east of Tonga. Geographic coordinates. 19 02 S, 169 52 W but also to Australia and other Pacific island states; Niue's population peaked in 1966 at 5,194, but by 2005 had fallen to 1,508; since then it has rebounded which is designed to build governance and the rule of law in 15 Pacific island .

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