The territory code can contain up to 30 alphanumeric characters and can include hyphens and underscores. If unknown, specify 0 for this property.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2