The Matter of France, also known as the Carolingian cycle, is a body of literature and legendary material associated with the history of France, in particular involving Charlemagne and his associates. The cycle springs from the Old French chansons de geste, and was later adapted into a variety of art forms, including Renaissance epics and operas. Together with the Matter of Britain, which concerned King Arthur, and the Matter of Rome, comprising material derived from and inspired by classical mythology, it was one of the great literary cycles that figured repeatedly in medieval literature.
The Matter of France was one of the "Three Matters" repeatedly recalled in medieval literature. It was contrasted with the Matter of Britain, the legendary history of Great Britain, Brittany, and King Arthur; and the Matter of Rome, which represented the medieval poets' interpretations of Ancient Greek and Roman mythology and history. The three names were first used by the twelfth century French poet Jean Bodel, author of the Chanson de Saisnes, a chanson de geste in which he wrote:
About 1215 Bertrand de Bar-sur-Aube, in the introductory lines to his Girart de Vienne, set out a subdivision of the Matter of France into three cycles, which have been adopted by many modern critics as a useful means of grouping the chansons de geste. These are his words: