The Opéra national du Rhin is an opera company which performs in Alsace, eastern France. It includes the Opéras in Strasbourg, in Mulhouse, where the Ballet de l'Opéra national du Rhin, also known as the Ballet Du Rhin, is based, and in Colmar, with its Opéra Studio, a training centre for young singers. Thee organisation has held the status of "national opera" since 1997. The Orchestre philharmonique de Strasbourg and the Orchestre symphonique de Mulhouse are the usual orchestras of this institution.