Villers-le-Sec (Villers-le-Sec)
- commune in Marne, France
- Country:
- Postal Code: 51250
- Coordinates: 48° 48' 49" N, 4° 51' 15" E
- GPS tracks (wikiloc): [Link]
- Area: 5.8 sq km
- Population: 121
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q1219945
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03qdc17]
- GeoNames ID: Alt: [6436094]
- SIREN number: [215105883]
- BnF ID: [15263224q]
- INSEE municipality code: 51635
Shares border with regions:

Heiltz-le-Maurupt
- commune in Marne, France
- Country:
- Postal Code: 51340
- Coordinates: 48° 47' 35" N, 4° 48' 54" E
- GPS tracks (wikiloc): [Link]
- Area: 16.27 sq km
- Population: 420


Bettancourt-la-Longue
- commune in Marne, France
- Country:
- Postal Code: 51330
- Coordinates: 48° 49' 43" N, 4° 53' 18" E
- GPS tracks (wikiloc): [Link]
- Area: 6.09 sq km
- Population: 80
Vernancourt
- commune in Marne, France
- Country:
- Postal Code: 51330
- Coordinates: 48° 51' 28" N, 4° 49' 21" E
- GPS tracks (wikiloc): [Link]
- Area: 8.98 sq km
- Population: 91


Alliancelles
- commune in Marne, France
- Country:
- Postal Code: 51250
- Coordinates: 48° 48' 36" N, 4° 52' 57" E
- GPS tracks (wikiloc): [Link]
- Area: 6.93 sq km
- Population: 139