<VirtualHost *:80>
        ServerName localhost
        DocumentRoot "/Applications/XAMPP/xamppfiles/htdocs"
        <Directory "/Applications/XAMPP/xamppfiles/htdocs">
            Options Indexes FollowSymLinks Includes execCGI
            AllowOverride All
            Require all granted
        </Directory>
    </VirtualHost>

    <VirtualHost *:80>
        ServerName australia.example.com
        ServerAlias australia.example.com
        DocumentRoot "/Users/mark/australia"
        DocumentRoot "/Users/mark/Documents/australia"
        ErrorLog "logs/australia.log"
        CustomLog "logs/australia.log" combined
        <Directory "/Users/mark/australia">
            Options FollowSymLinks Indexes
            AllowOverride All
            Require all granted
        </Directory>
    </VirtualHost>

User mark