Aix Cathedral (Cathédrale Saint-Sauveur d'Aix) in Aix-en-Provence in southern France is a Roman Catholic cathedral and the seat of the Archbishop of Aix. It is built on the site of the 1st century Roman forum of Aix. Built and re-built from the 12th until the 19th century, it includes Romanesque, Gothic and Neo-Gothic elements, as well as Roman columns and parts of the baptistery from a 6th century Christian church. It is a national monument of France.