Hi everyone - Welcome to the Community! We're excited to have Australia and New Zealand as a part of the Spotify family now.
As far as changing the country settings in your account, you won't be charged for updating your card details. You just need to enter those details to change your country settings quickly and easily.
Please just be sure your credit card meets all of the following requirements:
1. The country set in your Spotify account profile must match the country where your card is registered. If you want to it be Australia, you must use a card regsitered in Australia.
2. Your card should be enabled for e-commerce transactions (Verified by Visa/Mastercard securecard card).
3. Your card must be open to be used for foreign purchases.
4. There are some banks that require other security authentifications, the most common one being 3DSecure.
Once you have checked all of the above, please to update your card details from the subscription page of your account. If you have any other questions you can get in touch via our contact form.
@Adz11- I can see updating your payment details already made that change for you. Give us a shout if you have any other questions.