Step 1: Begin by navigating to settings section by selecting the settings menu icon on the top right side of the screen.
Step 2: Next select the “Manage Settings” button from the dropdown list and click on "Geographic Regions" to left this will bring you to the below page.

Step 3: To add a Geographic Region enter the region in box and select "Add Geographic Region".

Step 4: To add a country enter this into box and select "Add Country".

Step 5: Save your changes at the bottom of the screen by selecting "Save Temporary Geographic Regions Settings" or "Save Geographic Region Settings".