The opera house of Nantes is the Grand Théâtre de Nantes, located in the city center of Nantes, France. It is a major venue for operatic and ballet performances, as well as concerts, recitals, and other cultural events. The Grand Théâtre de Nantes was built between 1789 and 1792 and has been in continuous use since then. It is the oldest still-operating opera house in France.