set_region
Description:
Sets the region property to region.
Set region to null to unset the property in the postal address.
Parameters:
| this | |
| region | 
           the new region for the postal address, or   | 
      
Sets the region property to region.
Set region to null to unset the property in the postal address.
| this | |
| region | 
           the new region for the postal address, or   |