Use Australian States in dropdown.

my_pmpro_states_init.php

<?php

function my_pmpro_states_init() {
	add_filter( 'pmpro_state_dropdowns', '__return_true' );
	add_filter( 'pmpro_states', 'my_pmpro_states' );
}
add_action( 'init', 'my_pmpro_states_init' );

function my_pmpro_states( $states ) {

	$states = array(
		'ACT' => 'Australian Capital Territory',
		'NSW' => 'New South Wales',
		'NT' => 'Northern Territory',
		'QLD' => 'Queensland',
		'SA' => 'South Australia',
		'TAS' => 'Tasmania',
		'VIC' => 'Victoria',
		'WA' => 'Western Australia',
	);

	return $states;
}