Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
how to add new country value to drop downlist in Billing address section from admin page like how to add new country value
There is no any such option yet you can add country for billing address. But you can seed your country value and data.
Check for reference
https://github.com/bagisto/bagisto/blob/e07ac04bdbd6709b1716603c153ad62b8491e272/packages/Webkul/Core/src/Database/Seeders/CountriesTableSeeder.php
Ok, thanks