OFFICIALLY the Commonwealth of Australia is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and NUMEROUS smaller islands. It is the largest country in Oceania and the world's sixth-largest country by total area.Prime minister: SCOTT MorrisonCapital: CanberraOfficial languages: None at the federal levelPopulation: 2.54 crores (2019)SOUTH Africa:It is a country on the southernmost tip of the African continent, marked by several distinct ecosystems. Inland safari destination Kruger National Park is populated by big game. The Western Cape offers beaches, lush Winelands around Stellenbosch and Paarl, craggy cliffs at the Cape of Good Hope, forest and lagoons along the Garden Route, and the city of Cape Town, beneath flat-topped Table Mountain. ― GoogleCapitals: Cape Town, Pretoria, BloemfonteinPresident: Cyril RamaphosaPopulation: 5.86 crores (2019)Official languages: Afrikaans, English, Zulu, Xhosa, Venda, Southern Sotho, Tswana, NORTHERN Sotho, Tsonga, Swati, Ndebele.