Australia is a sovereign country located in Oceania. It has a parliamentary federal constitutional monarchy form of government. The closest countries to Australia are Indonesia and East Timor to the north, and New Zealand to the southeast. Australia has a long history of visual arts beginning with cave paintings by indigenous peoples. Aboriginal musical instruments include the didgeridoo, traditionally played in northern Australia. Australian literature has been influenced by the landscape in works by authors like Banjo Paterson and Henry Lawson. The quintessential Australian dish is meatloaf, and Australian restaurants serving seafood are among the best in the world. At an international level, Australia excels in sports like cricket, hockey, rugby, swimming and surfing.