Saint-Ouen Abbey is a historic abbey located in Rouen, France. Founded in the 7th century, it was dedicated to Saint Ouen, a prominent bishop of Rouen. The abbey is renowned for its stunning Gothic architecture and beautiful stained glass windows, which attract many visitors each year. The abbey served as a significant religious center throughout the Middle Ages and played a vital role in the development of the region. Today, it houses a museum and is a popular site for cultural events, showcasing its rich history and architectural beauty to the public.