If you have an active subscription (purchased either directly from Adobe or through Digital River), you can change the region you're moving to at the lower left of your Adobe Account Overview page.
Once you've changed your region, you can contact Adobe Customer Care to change the country associated with your Adobe account.
from here:
https://helpx.adobe.com/x-productkb/policy-pricing/change-country-associated-with-adobe-id.html
To contact Adobe Customer Service:
Make sure to sign in to your Adobe account first and allow popups on your browser.
https://helpx.adobe.com/contact.html?rghtup=autoOpen will automatically open the chat window.
Type "Agent" in the chat box to bypass the chatbot and be connected to a person.
You may also be able to contact Adobe by phone:
https://helpx.adobe.com/contact/phone.html