"The Arrondissement of Tournai (French: Arrondissement de Tournai; Dutch: Arrondissement Doornik) is one of the seven administrative arrondissements in the Province of Hainaut, Belgium. It is both an administrative and a judicial arrondissement. However, the Judicial Arrondissement of Tournai also comprises the municipality of Lessines in the Arrondissement of Soignies and all municipalities of the Arrondissement of Ath, with the exception of the municipalities of Brugelette and Chièvres."