UTD references, Cities, Urban Legends & Symbolism, etc.
https://en.wikipedia.org/wiki/List_of_cities_in_Australia_by_population
https://en.wikipedia.org/wiki/Urbanization_in_Australia
https://www.macrotrends.net/global-metrics/countries/AUS/australia/urban-population
https://en.wikipedia.org/wiki/List_of_cities_in_Australia_by_population#Significant_urban_areas_by_population
https://jf-databits.blogspot.com/search?q=UDB