Could you give an example of how you're looking to *use* this region property?
PS: Looking at tickets such as JCLOUDS-344 [1] and the corresponding code change [2], could it be that what you are looking for is what the jclouds OpenStack API refers to as "zones"?
ap [1] https://issues.apache.org/jira/browse/JCLOUDS-344 [2] https://github.com/jclouds/jclouds/pull/174/files
