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Yonne (Department, France): Intermunicipal Authorities

Communautés d'agglomération (2)
- Auxerrois
- Grand Sénonais

Communautés de communes (12)
- Agglomération Migennoise
- Aillantais
- Avallon - Vézelay - Morvan
- Chablis, Villages et Terroirs
- Gâtinais en Bourgogne
- Jovinien
- Puisaye-Forterre
- Serein
- Serein et Armance
- Tonnerrois en Bourgogne
- Vanne et Pays d'Othe
- Yonne Nord

See also:

Communautés de communes

Gâtinais en Bourgogne

Flag of Gâtinais en Bourgogne - Image by Olivier Touzeau, 19 June 2021

The communauté de communes du Gâtinais en Bourgogne is an intermunicipal structure in the department of Yonne. It was created in 1997 and has currently 26 communes, gathering 17,535 inhabitants on 340.34 km².
The seat is in Chéroy.

The flag is white with logo, see examples in Saint-Valérien: photo (2019) and in Chéroy: photo (2019).

Olivier Touzeau, 19 June 2021

Serein et Armance

Flag of Serein et Armance - Image by Olivier Touzeau, 6 January 2025

The communauté de communes du Serein et Armance (CCSA) is an intermunicipal structure in the department of Yonne. It was created in 2017 with the merging of the former Communauté de communes du Florentinois and Communauté de communes de Seignelay-Brienon. It gathers 23,499 inhabitants on 429.60 km² in 29 communes. The seat is in Saint-Florentin.

A white flag with the logo has been produced for the community: photo.

Olivier Touzeau, 6 January 2025