Vannes Cathedral, officially known as Saint-Pierre Cathedral, is a Roman Catholic church located in the city of Vannes, France. It serves as the seat of the Bishop of Vannes and showcases a mix of architectural styles, primarily Gothic and Romanesque. The cathedral was built between the 15th and 19th centuries, featuring stunning stained glass windows and intricate sculptures. The cathedral's impressive façade includes two tall towers and a beautiful rose window. Inside, visitors can admire the ornate altarpiece and various chapels dedicated to different saints. Vannes Cathedral is not only a place of worship but also a significant historical landmark in the region.