It is sufficient to say that the chanson de geste, as it is now extant, is the almost exclusive property of northern France.
A chanson de geste must be written in verses either of ten or twelve syllables, the former being the earlier.
As to the subject, a chanson de geste must be concerned with some event which is, or is supposed to be, historical and French.
It is strictly a chanson de geste in form, and also in the general run of its incidents.
William Short Nose is also from the chanson de geste of that hero.
When this subject or group of subjects palled, the very form of the chanson de geste was lost.
What these bald statements mean the chanson de geste can tell us better.
Gaston Paris defined a chanson de geste as a song the subject of which is a series of historical facts or gesta.
The inference appears to be clear that the chanson de geste is properly a product of northern France.
The 12th century chanson de geste of Garin le Loherain is one of the fiercest and most sanguinary narratives left by the trouvres.