Travel Insurance covers you for risks you might be exposed to an overseas trip. Typically, it covers death, personal accident, medical expenses, repatriation (in the event of death abroad, the cost...
The easiest way is to shop online because you can review the different companies to get the best deals. Just make sure you know what kind of travel insurance you need. Is it for long stay or...
"QBE offers travel insurance in a number of markets, including Hong Kong, New Zealand, Australia and the United States. The insurance covers such things as catastrophes and medical expenses."
AAA does not seem to offer this type of insurance. I found several places where they offered travel insurance but nothing about backpacker insurance which I assume would be different.