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