I know that if you go to the brunello consortium website, there is a map that you can get that shows the location of all of the producers. I also got a map from Montefalco in Umbria with the location of producers. It couldn't hurt to google an area and see what you come up with.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .