Geoscience Australia, part of the Australian Government, is the nation’s trusted source of information on Australia’s Earth sciences. As part of ongoing investigations into the potential of hydrogen production and storage in Australia, Geoscience Australia has been using extensive geoscientific data to develop maps of salt bodies that may be suitable to store hydrogen. This information booklet covers common questions about underground salt cavern storage in Australia. The target audience is land-connected stakeholders such as landholders and managers.