The Arrondissement of Arlon is one of the five administrative arrondissements in the Province of Luxembourg, Belgium. It is both an administrative and a judicial arrondissement. However, the Judicial Arrondissement of Arlon also comprises the municipalities of the Arrondissement of Virton.MunicipalitiesThe Administrative Arrondissement of Arlon consists of the following municipalities: Arlon Attert Aubange Martelange Messancy