Neolithic communities of the early 4th millennium bc whose origins lay in the Impressed Ware cultures of southern France but who eventually occupied much of central and southern France. It is named after the type‐site of Chassey, Côte d'Or, an enclosed settlement dating to the period 4500–3800 bc. Settlements have cave sites, open sites, and enclosures. Characteristic pottery includes round‐bottomed bowls, baggy bowls, and carinated bowls. Some of the pottery has ‘Pan‐pipe’ shaped lugs. Footed dishes known as vase supports are also known in the northeastern part of the area occupied by Chassey communities, notably western France and the Paris Basin. Burials are known in pits, in cist graves, and in various kinds of chambered tombs.