With Region charts you can create visualizations such as the red state/blue state maps showing political election results, market share by country, or personal income by zip codes.
           
A Regions chart will show any of the following regions in your data:
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Country
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State/Province
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County
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Zip Code/Postal Code
 
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If you don’t see the Layer Pane, click Home >Layer Pane.
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On the Field List tab, click Change the visualization to Region.