How to change your region in android play store
To change your region in the Android Play Store, follow these steps:
Open the Google Play Store app on your Android device.
Tap your profile icon at the top right.
Go to Settings > General > Account & Device Preferences.
Look for the “Country and Profiles” section.
Tap the country where you want to add an account.
Follow the on-screen instructions to add a payment method for that country.