How can I change my Apple Account region?

See the information in this Apple support document. Change your Apple Account country or region - Apple Support

If you are changing regions:

PART 1:

Cancel your subscriptions and wait until the end of the subscription period. ⇣

PART 2:

Make a request to zero out any remaining balance on your account by contacting Customer Support by phone:

• 1-800-APLCARE.
• Contact Support.

PART 3:

Click ▶︎ Change Region for step-by-step instructions. 🌐

Good luck! 👋🏼😉