Avignon is a city in southern France. For several centuries, it was a territory owned by the pope, and during the Papal schism, it even was the seat of the pope.
Alternate versions of Avignon have been discovered throughout the multiverse:
This is a disambiguation page, a list of pages that otherwise might share the same title. If an article link referred you to this title, you might want to go back and fix it to point directly to the intended page.
Very probably it refers to an entity that appears on several timelines.
If you have such an entity in your TL, add it to the list.