Region 6 is one of 10 geographic regions of the IEEE. Region 6 covers the Western U.S. – from Alaska to New Mexico and Montana to Hawaii and is shown in purple in the map above. The Region has 35 Sections and 2 sub-Sections, organized in to 5 Areas: Northeast, Northwest, Central, Southern and Southwest.
See here for a list of the Sections and Chapters and Affinity Groups see here.
There is an incredible amount of engineering history in Region 6. Just look at the Engineering Milestones.