Vannes Cathedral or St. Peter's Cathedral, Vannes, which also carries the title Basilica, is a Roman Catholic cathedral. It is the seat of the Bishops of Vannes. The present Gothic building was erected on the site of the former Romanesque cathedral. Its construction extends from the 15th to the 19th centuries, or if the length of the existence of the 13th century Romanesque bell tower is included, a total of seven centuries of construction.

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• Adress Place Saint-Pierre, 56000 Vannes
• Website http://cathedrale-vannes.cef.fr