 The five best known appellations in the Languedoc include Languedoc AOC ( formerly known as the <unk> du Languedoc ) , Corbières AOC , <unk> , Minervois AOC , and Saint @-@ Chinian <unk> . The vast majority of Languedoc wines are produced by wine <unk> which number more than 500 . However , the appellation system in the region is undergoing considerable changes with both new appellations being created and existing ones changing . One recent change is that the <unk> du Languedoc has changed name to Languedoc and been extended to include also the Roussillon . 
