The capital cities in particular are set to be hotbeds of activity, with locals and tourists coming together for the country’s major events.
With so much on, it can be tricky to figure out how to plan your day, and find out what’s on near you.
Here’s what you need to know.
The Sydney celebrations are likely the biggest in the country, culminating in a spectacular fireworks display at midnight.
Superstar Robbie Williams will also take part in a live singalong.
Major road closures will be in place throughout the city, and thousands of extra public transport services will be running along the train, light rail, bus, metro and ferry lines.
Circular Quay, where the main celebrations are centred, will have its train station closed from 3pm.
Free-to-enter Celebration Zones in the city offer the best vantage points to see Melbourne’s firework displays.
People can bring their own picnic – but no alcohol – or buy from on-site food trucks.
The zones will be open from 6pm.
Public transport throughout Melbourne will be free from that same time, though some tram services will be altered due to road closures.
Flinders Street Station will be open all night.
The Queensland capital’s South Bank Parklands will again host the city’s fireworks displays, with two shows at 7.45pm and midnight.
The site will be alcohol-free, with road closures in place, so using public transport is recommended.
There will also be fireworks displays on the Gold Coast and Sunshine Coast.
The Riverbank in Elder Park is where the fine people of Adelaide can congregate for the city’s official celebrations and fireworks.
Live music and other entertainment will also feature.
The gates open at 5.30pm, and entry will be restricted once the site is at capacity – but there are plenty of other parties around the city.
The Western Australia capital is holding its first ever midnight fireworks show at the Roy Hill New Year’s Eve celebrations.
An earlier display will be held over the Swan River at the more family-friendly time of 8.30pm.
Road closures will be in place around Elizabeth Quay and Barrack Square, but there will be parking available nearby.
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The Regatta Grounds will become a dedicated family-friendly picnic area, with free parking open from 9am.
There will be a free shuttle bus running between the grounds and the waterfront.
Fireworks from barges on the Derwent River will light up the skies at 9.30pm and midnight.
Darwin has lined up a stack of local musicians to ring in the new year, along with fireworks at 9pm and midnight.
Centred on the Darwin Waterfront, free parking is available at multiple locations, but would-be revellers are advised to plan their trip in, in case they have to find alternate parking.
The event is alcohol- and smoke-free.
A free community event at Lake Burley Griffin sees Canberrans invited to watch the fireworks in the national capital at 9pm and midnight.
There will be four “celebration hubs” that provide the best viewing, as well as food and drink options.
The hubs are at Rond Terrace, Queen Elizabeth Terrace, the Canberra and Region Visitors Centre in Regatta Point, and near Nerang Pool in Regatta Point.