Hi hhimanshu - I totally mis-understood what you meant - if you were looking to group states into national regions, your link looks pretty good. I was thinking

Hi hhimanshu - I totally mis-understood what you meant - if you were looking to group states into national regions, your link looks pretty good. I was thinking of regions in terms of grouping counties into logical/meaningful state regions. I do that thus far for CA and NY where in each I have about 10 regions.