What is the difference between Cognac and Armagac?

They are produced from a different grape and in different regions of France. ________________________________________________________ Armagnac and Cognac are both brandies however, Cognac is usually the lighter of the two and tends to display more acidity than Armagnac. While Armagnac is usually deeper in color and has a fuller flavor. Both Armagnac and Cognac are named after the towns they are produced in. Each town has special growing conditions that gives each type of brandy a uniqueness which cannot be duplicated elsewhere. Cognac tends to be the more popular of the two in North America.