Bourbon can be made anywhere in the Untied States, legally. There are bourbons from dozens of states. Spiritually? That's up to you. My friends in Kentucky call their home state holy ground for whiskey. When I'm there and they're buying, I don't argue. You don't argue, either.
From Whisk(e)y Distilled, A Populist Guide to The Water Of Life
In print + online
What ANTHONY BOURDAIN said about Heather
Five Myths About Whiskey NJ.Com
Tasting Panel magazine