Grupenhagen (Aerzen)
- human settlement in Germany
- Country:
- Postal Code: 31855
- Local Dialing Code: 05154
- Coordinates: 52° 4' 22" N, 9° 13' 27" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 113 м m
- Area: 6.44 sq km
- Wikidata storage: Wikidata: Q1550879