Le Mesnil-sur-Oger (Le Mesnil-sur-Oger)
- commune in Marne, France
- Country:
- Postal Code: 51190
- Coordinates: 48° 56' 48" N, 4° 1' 19" E
- GPS tracks (wikiloc): [Link]
- Area: 7.91 sq km
- Population: 1127
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q845984
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03qd81n]
- GeoNames ID: Alt: [6456188]
- SIREN number: [215103425]
- BnF ID: [15262969c]
- VIAF ID: Alt: [154854883]
- Library of Congress authority ID: Alt: [n86082983]
- PACTOLS thesaurus ID: [pcrtXFsX97PDaS]
- INSEE municipality code: 51367
Shares border with regions:

Gionges
- former commune in Marne, France
- Country:
- Postal Code: 51130
- Coordinates: 48° 56' 7" N, 3° 58' 48" E
- GPS tracks (wikiloc): [Link]
- Area: 10.75 sq km
- Population: 218

Oger
- former commune in Marne, France
- Country:
- Postal Code: 51190
- Coordinates: 48° 57' 28" N, 4° 0' 44" E
- GPS tracks (wikiloc): [Link]
- Area: 15.06 sq km
- Population: 561

Vertus
- former commune in Marne, France
- Country:
- Postal Code: 51130
- Coordinates: 48° 54' 16" N, 4° 0' 12" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 107 м m
- Area: 35.68 sq km
- Population: 2372

Villeneuve-Renneville-Chevigny
- commune in Marne, France
- Country:
- Postal Code: 51130
- Coordinates: 48° 55' 6" N, 4° 3' 39" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 96 м m
- Area: 17.17 sq km
- Population: 312