Here's a tutorial showing how to create custom KML files, in this case sales territories. It shows you how to import the KML file into Tableau and link to your sales territory data. The results is custom maps of sales territories in Tableau:
Mapping & Analyzing Sales Territories Using Tableau - YouTube
P.S. The tutorial also uses a third party tool - if this is against the forum guidelines then please delete this post.
Thank you for sharing Steve. You might want to add this to the FAQ: Maps as well. This is a shared community resource document for mapping and creating new resources is helpful in that document.
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