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Qantas Airways Limited, or simply Qantas, is the flag carrier of Australia, and the largest airline by fleet size, international flights, and international destinations in Australia and Oceania. A founding member of the Oneworld airline alliance, it is the only airline in the world that flies to all seven continents, with it operating flights to Africa, Antarctica, Asia, Europe, North America and South America from its hubs in Sydney, Perth, Melbourne and Brisbane. It also flies to over 60 domestic destinations across Australia. Qantas is the world's third-oldest airline by foundation date and the oldest airline in the English-speaking world — being founded in November 1920. Qantas is an acronym of the airline's original name, Queensland and Northern Territory Aerial Services, as it originally served Queensland and the Northern Territory. It is popularly nicknamed "The Flying Kangaroo" and has the official slogan "Spirit of Australia". Qantas is based in the Sydney suburb of Mascot, adjacent to its main hub at Sydney Airport. As of March 2023, Qantas Group had a 60.8% share of the Australian domestic market. Various subsidiary airlines operate to regional centres and on some trunk routes within Australia, as well as some short haul international flights under the QantasLink banner. Qantas owns Jetstar, a low-cost airline that operates both international services from Australia and domestic services within Australia and New Zealand. It holds stakes in a number of other Jetstar-branded airlines in Asia, as well as Alliance Airlines and Fiji Airways.