I want to change my billing address recently moved to Sweden

Log into your account in the App Store/iTunes and you should be able to change/verify it there. Or you can 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.  

Hello rhoda194,

We understand you're looking to update your account information after moving to a new country.

Check out the following page to learn how to Change your Apple ID country or region

We hope this helps!