The Ópera Nacional de Portugal, also known as the Teatro Nacional de São Carlos, is the main opera house in Portugal, located in Lisbon. Opened in 1793, it has a rich history of hosting both national and international opera performances, showcasing a variety of classical and contemporary works. The theater is renowned for its stunning neoclassical architecture and elegant interior design. It serves as a cultural hub, promoting the art of opera through various educational programs and outreach initiatives, making it accessible to a broader audience in Portugal and beyond.