I cannot link my commonwealth bank card here in australia

Hello and welcome to Apple Support Communities, Arjayp0gi,

If we understand your post correctly, you're unable to add your bank card to Apple Pay. We’d like to help.

We see you were viewing "Apple Pay participating banks and card issuers in Asia-Pacific - Apple Support" and it did not resolve your issue.

Your device and payment method must have the same region or country. This guide can help you find the region currently on your device and, if necessary, change it:

Change your Apple ID country or region - Apple Support

Let us know if that resolves this issue for you.

Thanks for using the Apple Support Communities.