To find out if you need a visa for your international trip, visit the Australian Government’s dedicated website. It is your responsibility to arrange all necessary entry documentation. An ATAS travel agent may be able to assist you, so make sure you ask.
Here are some instances where travel insurance can protect your journey:
The Department of Foreign Affairs and Trade (DFAT) has partnered with independent consumer advocate CHOICE to provide a simple travel insurance guide for Australian travellers. You can check it out here.