If you try to access a website or service that has been blocked from your country or geographic location, you may receive an error message or a message indicating that the website or service is not available in your region. The exact message or error code you receive may vary depending on the website or store and the website owner providing information about the blocked page.
In some cases, the website or service may redirect you to a different page or offer alternative options for accessing content that is available in your region. For example, you may be redirected to a localized version of the website or offered a different set of features or services that are available in your country.
Install the app from here.
Shopify: https://apps.shopify.com/country-blocker-1
Bigcommerce: https://www.bigcommerce.com/apps/easy-country-blocker/