Central is a heritage-listed railway station located in the centre of Sydney, New South Wales, Australia. The station is Australia's largest and second busiest railway station in Australia and serves as a major transport interchange for NSW TrainLink inter-city rail services, Sydney Trains commuter rail services, Sydney light rail services, bus services, and private coach transport services. The station is also known as Sydney Terminal. The property was added to the New South Wales State Heritage Register on 2 April 1999. It recorded 85.4 million passenger movements in 2018 and serves over 250,000 people daily.

Sydney is the capital city of the state of New South Wales and the most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about 80 km from the Pacific Ocean in the east to the Blue Mountains in the west, and about 80 km from the Ku-ring-gai Chase National Park and the Hawkesbury River in the north and north-west, to the Royal National Park and Macarthur in the south and south-west. Greater Sydney consists of 658 suburbs, spread across 33 local government areas. Residents of the city are colloquially known as "Sydneysiders". The estimated population in June 2023 was 5,450,496, which is about 66% of the state's population. The city's nicknames include the "Emerald City" and the "Harbour City".