Saint-Martin-du-Tertre (Saint-Martin-du-Tertre)
- commune in Yonne, France
- Country:
- Postal Code: 89100
- Coordinates: 48° 12' 49" N, 3° 15' 33" E
- GPS tracks (wikiloc): [Link]
- Area: 6.91 sq km
- Population: 1580
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q1434365
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03npdlt]
- Freebase ID: [/m/03npdlt]
- GeoNames ID: Alt: [6445998]
- GeoNames ID: Alt: [6445998]
- SIREN number: [218903540]
- SIREN number: [218903540]
- BnF ID: [15279810b]
- BnF ID: [15279810b]
- INSEE municipality code: 89354
- INSEE municipality code: 89354
Shares border with regions:

Courtois-sur-Yonne
- commune in Yonne, France
- Country:
- Postal Code: 89100
- Coordinates: 48° 13' 34" N, 3° 15' 19" E
- GPS tracks (wikiloc): [Link]
- Area: 4.29 sq km
- Population: 740

Paron
- commune in Yonne, France
- Country:
- Postal Code: 89100
- Coordinates: 48° 11' 22" N, 3° 15' 50" E
- GPS tracks (wikiloc): [Link]
- Area: 10.51 sq km
- Population: 4866
- Web site: [Link]


Nailly
- commune in Yonne, France
- Country:
- Postal Code: 89100
- Coordinates: 48° 13' 25" N, 3° 13' 23" E
- GPS tracks (wikiloc): [Link]
- Area: 21.61 sq km
- Population: 1258


Sens
- commune in Yonne, France
- Country:
- Postal Code: 89100
- Coordinates: 48° 11' 50" N, 3° 17' 0" E
- GPS tracks (wikiloc): [Link]
- Area: 21.92 sq km
- Population: 25784
- Web site: [Link]

Saint-Denis-lès-Sens
- commune in Yonne, France
- Country:
- Postal Code: 89100
- Coordinates: 48° 13' 43" N, 3° 15' 59" E
- GPS tracks (wikiloc): [Link]
- Area: 6.73 sq km
- Population: 768