tt-5-php-6001/vendor/workerman/validation/data/iso_3166-2/AU.php

<?php
return [
  "country" => "Australia",
  "subdivisions" => [
    "ACT" => "Australian Capital Territory",
    "NSW" => "New South Wales",
    "NT" => "Northern Territory",
    "QLD" => "Queensland",
    "SA" => "South Australia",
    "TAS" => "Tasmania",
    "VIC" => "Victoria",
    "WA" => "Western Australia"
  ]
];