Shopify customers allow to collect 'Customer name', Email and Location.
In order to see the City and Country in the Location tab, please add ADDRESS element in POWR Formbuilder app THEN connect "Shopify customers" > https://help.powr.io/hc/en-us/articles/1500007715002-Sync-your-POWR-Popup-or-Form-with-Shopify-Customers
To add ADDRESS element, open app settings > Add element > Select "Address" > Save changes (PUBLISH)
Once you add the Address element, customers will be able to fill in the Zip Code, City and Country.
Please refer to the following screenshot to see an example: