Stock Photo - Cathedrale Saint-Etienne, Toulouse, Haute-Garonne, Occitanie, France, Europe. The Cathedral of St. Stephen, or Cathedrale Saint-Etienne, is Toulouse, France's oldest and most important church. Located in the city's heart, the cathedral is a stunning example of Gothic architecture, built in the 13th century. It was constructed over almost 200 years and is renowned for its spectacular stained glass windows, intricate sculptures, and ornate decorations. The cathedral is dedicated to Saint Stephen, the first Christian martyr and patron saint of Toulouse. It is also home to numerous works of art and historical artifacts, including a 15th-century reliquary and a crypt containing the remains of St. Stephen. The cathedral is open to the public and offers guided tours, regular concerts and other events.