In this documentation, we can check how to add country in Zen Cart.
1) Login to Zen Cart admin panel.
2) Go to the tab ‘Location/Taxes’.
3) Click the option ‘Countries’.
4) Click on the button ‘New Country’.
5) Enter the details.
6) Click the button ‘Insert’.
That is how we can add country in Zen Cart.
If you need any further assistance please contact our support department.