The Aude has 17 circular villages or circulades, in other words, built in a circle around a church or a castle.

Bram

These villages are a feature of the Languedoc. The Hérault has 25 and Gard 4.
The word and concept of circulade were proposed in 1992 by an architect of Polish origin. Once these villages were simply called “round”.

Here is the list of circulades of the Aude:

• Alaigne
• Alairac
• Bellegarde-du-Razès
• Bram
• Cailhau
• Cailhavel
• Capendu
• Donazac
• Gruissan (la seule circulade en bord de mer)
• Issel
• La Force
• Lasserre-de-Prouille
• Mazerolles-du-Razès
• Montclar
• Pouzols-Minervois
• Preixan
• Villeneuve-lès-Montréal

Learn more on Wikipedia.
The official website of the Association of circular villages.