Countries are configured in Setup / Regional Settings / Countries / Country
Countries and states can be configured on this screen. Once setup, they will be available when configuring addresses on account contacts and companies.
Countries and states can be setup immediately, there are no prerequisite configuration steps.
The Countries List panel on the left of this screen allows you to view and select existing countries that have been setup. After selecting a country you will be able to edit country settings and the states that are configured under the country. Actions are also available in this panel which are shown as icons above the Filter text box. The available actions are described below.
Expands or collapses the list of countries
This panel displays the countries that are currently enabled (added) and provides the ability to add and remove countries as well as change the order that countries are listed in.
List of Countries Fields:
Countries to Add: allows you to add new countries which will be listed in country fields when setting up contact/company addresses
The information in this panel reflects the currently selected country. From here you can change country details and the States configured under them (fields will display a red left border if a value is required and purple text if the field is read-only and cannot be modified).
Edit Country Fields:
Name: the name of the country
Country Code: the two letter country code defined in ISO 3166 (autopopulated)
Postal Code Type: allows you to enable postal code validation for Canada or the United States or set no postal code validation at all
Address Format: indicates what address details are required when populating address details on a contact/company (autopopulated)
This tab allows you to add, remove and change the sort order of states configured on the country.