Question:
How to categorize customers/suppliers into city, country and state?
Steps:
1. Go to Company > Change Company Settings > User Defined Field > Customer:
Under the Text Values section, please define Text User Fields 1,2 and 3 as City, State and Country. Click Save.

2. When you record a new Customer information, please fill the details in User Defined Fields section:

3. If you want to view the city, state and country information in the customer listing, please click the gear image as below:

Click Customize Grid and tick the additional fields you want to appear in the listing:
