In 1800 the arrondissements of Carcassonne, Castelnaudary, Limoux and Narbonne were established. The arrondissement of Castelnaudary was disbanded in 1926.[4]
The borders of the arrondissements of Aude were modified in January 2017:[5]
27 communes from the arrondissement of Carcassonne to the arrondissement of Narbonne
seven communes from the arrondissement of Limoux to the arrondissement of Carcassonne