1. A Place Name: It is a common place name in France, often referring to a hill or a castle. There are several towns and villages with this name, such as:
* Châtillon-sur-Seine: A town in the Côte-d'Or department
* Châtillon-sur-Indre: A town in the Indre department
* Châtillon-en-Bazois: A town in the Nièvre department
2. A Surname: "Chatillon" can also be a surname, indicating that the person's ancestors may have come from a place called "Chatillon."
In summary: The meaning of "Chatillon" depends on the context. If you are talking about a specific location, then it refers to a town or village. If you are referring to a person, then it is a surname.