The Rouen Cathedral, also known as Notre-Dame de Rouen, is a Gothic-style cathedral located in the city of Rouen, France. It is one of the largest and most important cathedrals in France and is considered one of the finest examples of Gothic architecture in the country. The cathedral was built in the 12th and 13th centuries, and its interior features a vast nave with soaring columns and a wealth of stained glass windows. The cathedral is also known for its numerous chapels, including the Chapel of the Holy Sacrament and the Chapel of the Virgin, which contain a number of important works of art. The cathedral is a major tourist attraction in Rouen and draws thousands of visitors each year to admire its architectural beauty and rich history.