You need a visa for Indonezja if you have australijski paszport

Travelers need a visa to visit Indonesia for Business or Tourism. Travelers can get a visa on arrival in Indonesia at the port of entry, such as an international airport or border crossing. Travelers can obtain a visa on arrival, which allows them to extend their stay once for an additional 30 days. Travelers can obtain a visa on arrival for Tourism at 16 airports, 6 land borders, and 95 seaports. Travelers with a visa on arrival for Tourism can leave Indonesia from any airport, land border, or seaport. For all other visas, visit the government site.