Chassy (Chassy)
- commune in Yonne, France
- Country:
- Postal Code: 89110
- Coordinates: 47° 51' 7" N, 3° 20' 54" E
- GPS tracks (wikiloc): [Link]
- Area: 16.45 sq km
- Population: 462
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q93531
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03qf288]
- Freebase ID: [/m/03qf288]
- GeoNames ID: Alt: [6613318]
- GeoNames ID: Alt: [6613318]
- SIREN number: [218900884]
- SIREN number: [218900884]
- BnF ID: [152795397]
- BnF ID: [152795397]
- INSEE municipality code: 89088
- INSEE municipality code: 89088
Shares border with regions:

Aillant-sur-Tholon
- former commune in Yonne, France
- Country:
- Postal Code: 89110
- Coordinates: 47° 52' 29" N, 3° 21' 3" E
- GPS tracks (wikiloc): [Link]
- Area: 18.2 sq km
- Population: 1404

Les Ormes
- commune in Yonne, France
- Country:
- Postal Code: 89110
- Coordinates: 47° 50' 57" N, 3° 15' 59" E
- GPS tracks (wikiloc): [Link]
- Area: 8.55 sq km
- Population: 323
- Web site: [Link]

Saint-Maurice-Thizouaille
- commune in Yonne, France
- Country:
- Postal Code: 89110
- Coordinates: 47° 50' 2" N, 3° 21' 43" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 148 м m
- Area: 1.95 sq km
- Population: 264

Poilly-sur-Tholon
- commune in Yonne, France
- Country:
- Postal Code: 89110
- Coordinates: 47° 52' 0" N, 3° 23' 41" E
- GPS tracks (wikiloc): [Link]
- Area: 19.56 sq km
- Population: 701

Saint-Aubin-Château-Neuf
- former commune in Yonne, France
- Country:
- Postal Code: 95780
- Coordinates: 47° 49' 25" N, 3° 18' 36" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 154 м m
- Area: 24.89 sq km
- Population: 520

La Ferté-Loupière
- commune in Yonne, France
- Country:
- Postal Code: 89110
- Coordinates: 47° 53' 44" N, 3° 14' 8" E
- GPS tracks (wikiloc): [Link]
- Area: 30.48 sq km
- Population: 506