Six states make up the Commonwealth of Australia, a former British colony. New South Wales, Queensland, South Australia, Tasmania, Victoria, and Western Australia are the states in question. The nation is located in the center of the Indian and South Pacific Oceans on the continent of Oceania. The closest neighbor to the east is New Zealand. Australia, with a surface area of 7.6 million square kilometers, is the sixth largest country in the world. The majority of its climate is arid to semiarid. There are twenty-five million people living there. Canberra serves as the nation's capital. Sydney is the most populated city, with 4.9 million people living there, closely followed by Melbourne.Adelaide and Perth are the county's other major cities. Sydney Airport (SYD), which handles 44 million people a year, is the biggest airport. Melbourne (MEL), with 37 million passengers annually, comes next. They both rank in the top 10 busiest airports in the world as a result. The history of immigrant waves that have happened during the last centuries has shaped Australia's culture. A diverse range of cultures and religions may be found throughout the majority of the nation. English is the official language. There is still spoken native aboriginal language. Under a constitutional monarchy, the legal system is a federal parliamentary democracy. Queen Elizabeth II is chef de cuisine for the state. The elected Prime Minister, Scott Morrison, is in charge of the government.The Australian dollar (AUD) is the official currency, and its current exchange rate to the US dollar is 1.5. With an open economy, the nation is the 14th largest economy in the world, with a GDP of about $1.7 trillion. The per capita income of its people is $64,964. The three main sectors that comprise the majority of the GDP are mining, construction, and services. Additionally, tourism contributes significantly to the economies of some important places. There are many different urban and rural tourist attractions and locations in Australia. It is well-known for its numerous national parks and abundant wildlife. Among the well-known locations are Uluru Kata, the Great Barrier Reef Marine Park, and the Sydney Opera House and Harbour Bridge.Approximately 9.4 million tourists visit the country annually, the most of which are from China and New Zealand. Victoria and New South Wales are the most frequently visited states.