Found this on Navieextras web site. I wish someone would download it and post it
Map of Australia
Content provider:HERE
Released: 2022 Q4
Countries: Australia
Road coverage: 1 276 836
Detailed coverage (by population): >99%
House number coverage (by population): 99%
Postal codes: yes
Signpost and lane information*: yes
Points of interest: 1 074 269
The provider and coverage of the map may differ from those that were originally installed on your navigation device.