This article describes to how to add states, provinces, or other administrative regions in Liferay Commerce. By default the United States and Italy have all of their respective country’s states and provinces listed in the Countries settings.
Navigate to the Control Panel → Commerce → Settings.
Click on a country (France in this example).
Click the blue (+) button to add a region.
Enter the following:
Switch the toggle to Active.
The French region Grand-Est is now added to the list of regions. Grand-Est will appear in the Region list if France is chosen in the Country field on the Shipping Address page. Repeat these steps as necessary.