Become superuser or assume an equivalent role.
Roles contain authorizations and privileged commands. For more information about roles, see Configuring RBAC (Task Map) in System Administration Guide: Security Services.
Determine if a locale is installed on your system using the localeadm command. The -q option and a locale queries the system to see if that locale is installed on the system. To see if the Central European region (ceu) is installed on your system, for example:
# localeadm -q ceu locale/region name is ceu Checking for Central Europe region (ceu) . . . The Central Europe region (ceu) is installed on this system