Twinnigs (partner Regions)
- Waldviertel, Austria (federal state of Lower Austria )
- Forlì-Cesena, Italy (region Emilia-Romagna )
- Csepel Island, Hungary
- Yaroslavl, Russia (Yaroslavl Oblast)
- Bistrita-Nasaud, Romania
- Dane County, United States (Wisconsin)
Read more about this topic: Kassel (district)