I don't know the exact number of towns and cities in Australia, but in the English Wikipedia there are listed mor than 2,500 towns and cities.
Ulladulla
DubboDeniliquinDubboDaylesfordDevonportDeloraineDorrigoDinner Plain
The surface features of an area, such as cities or towns and land forms
Preston, Plymouth, Portsmouth.
YabucoaYauco
Cities and towns in Australia beginning with A include:AdelaideArmidaleAlburyAlbanyAlloradAdelongAdaminabyAngastonAireys InletAnakieAurukunAmity PointAlstonville
Frankston, Victoria Australia
Cities (not towns) in Australia beginning with A include:AdelaideAlburyArmidale
AlburyAlbanyAdelaideAvocaAltonaAldingaAdavaleAdaminabyAclandAlphaAnglesea
Ulladulla
There are no cities in Australia that begin with the letter i, but some towns that begin with i are:InnisfailInghamInjuneInnamincka
There are no cities in Australia that begin with Y. There are towns in Australia that begin with Y. Yass and Young are towns in New South Wales, Australia. Yuendumu is a town in the Northern Territory of Australia.
Ipswich, Inverness
WollongongWonthaggiWodongaWandoanWondai
Frankston, Victoria, Australia
DubboDeniliquinDubboDaylesfordDevonportDeloraineDorrigoDinner Plain
About 8105 cities, towns, and villages in Spain