There are three arrondissements in the Aveyron department.
They are:[1] In 1800, the arrondissements of Rodez, Espalion, Millau, Saint-Affrique and Villefranche-de-Rouergue were established.
The arrondissements of Espalion and Saint-Affrique were disbanded in 1926.
[2] The borders of the arrondissements of Aveyron were modified in January 2017:[3]