Toulon Cathedral (Cathédrale Notre-Dame-de-la-Seds de Toulon or Notre-Dame-de-la-Sède de Toulon; also known as Sainte-Marie-Majeure) is a Roman Catholic cathedral and a national monument of France located in Toulon, in the Var department of France, begun in the 11th century and finished in the 18th century. From the 5th century onwards it was the seat of the Bishops of Toulon, and since 1957 has been the seat of the Bishops of Fréjus-Toulon.