How do I change my billing address?

Log into your account in the App Store/iTunes and you should be able to change/verify it there. Or click the blue Edit payment methods in the article below. When signed in and the page loads, you will be on the credit card page. After updating that, click the Go Back button at the lower left and you will be on the address page.

Apple ID payment information - change.  *

Dear Apple Team,

My Ipad was bought in Turkey where I lived for a few years, now I have moved to Croatia.

To manage my payments and subscriptions I need to change my billing address in the country/region category, however, this seems impossible to perform.

How to manage it?

Thanks for the help.