Regions are used in conjunction with Languages to create Locales. Locales allow geographically specific content, such Mexican Spanish, as opposed to Spanish Spanish.
Manage Regions
To add a new Region go to Administration -> Setup -> Languages -> Regions. The following view will be presented:
1. Select Add Region. The following view will be presented:
2. Edit/configure:
Region code
Enter the appropriate region code, for example ES for Spain.
Region name
Enter the region name.
3. Click Confirm.