There are always exceptions to the rules, but here is a list of pretty safe coffee regional generalizations. Notice that they don't touch on aromas / specific flavors. This is because aromas are very variable depending on which county, region, and estate it comes from.

Central America – clean, high acidity, light to medium body

 American Islands - clean, low to medium acidity, medium to good body, sweet & mild

South America – clean, low to high acidity, medium-bodied

Africa & Arabia –high acidity, little to medium body, flavorful

Indonesia – low acidity, good body, good character

Asia – low acidity, good balance