A turbine housing for a turbocharger is provided. The turbine housing includes an exterior housing and an interior housing as well as a bearing flange. The exterior housing is connected to the bearing flange. The interior housing includes a flange socket on which the bearing flange is positioned. A fastening ring is inserted inside in the bearing flange and connected to the flange socket, with the bearing flange being fixed in the axial direction (AR) by the fastening ring.