Zone Property
The Zone property of the PortalContext class gets a PortalZone value that indicates the zone of this request.
Property Value
A member of the Microsoft.SharePoint.Portal.PortalZone enumeration that indicates the zone of this portal site.
Remarks
A portal site has one URL for each possible zone. You can specify a zone when you get the portal context, in which case this property value will no longer map to the current request.
Requirements
Platforms: Microsoft Windows Server 2003
Security: Code Access Security