Your account at Gravy for the Brain is located in one specific country (only), based on your country of residence.
Once logged in, you will be able to see the content for any Gravy for the Brain site, eg USA users can see both UK & US content from within their dashboard.
You do not need to switch countries to view other country's content.
If you are on holiday, or using a VPN, you should still select the country that you orginally signed up with to access your account.
If you have moved countries permanently and wish to move your account to a different country, please contact support.