Opéra-Théâtre de Metz Métropole
 The Opéra-Théatre de Metz Métropole is an 750-seat opera house and theatre located on the Petit-Saulcy island in Metz capital of the Lorraine region France. It is the oldest opera house working in France and one of the oldest in Europe. It is also one of the last possessing its own costume ateliers in France.