What are the upcoming Festivals in Sonderborg?

Here are the upcoming Festivals in Sonderborg:
- Smørrebrødsfestival is happening on Fri 19 Dec 2025 from 5:30 PM onwards at Slotsgade 6, 6300 Gråsten, Denmark, Sonderborg
- Bye Bye Brenda // Sønderborghus is happening on Sat 07 Mar 2026 from 8:00 PM onwards at Martin Nyrops Plads 2, 6400 Sønderborg, Denmark, Sonderborg
- Tarteletfest 2026 is happening on Fri 30 Jan 2026 from 5:30 PM onwards at Slotsgade 6, 6300 Gråsten, Denmark, Sonderborg
- Efterårskoncert • folkBALTICA Ensemble & folkBALTICA Kor is happening on Sun 23 Nov 2025 from 3:00 PM onwards at Ahlmannsparken, Sonderborg
- Smokie is happening on Sat 25 Apr 2026 from 8:00 PM onwards at Broager Sparekasse SKANSEN, Sonderborg
- Jazz Sabbath (ENG) // Sønderborghus is happening on Tue 08 Sep 2026 from 8:00 PM onwards at Martin Nyrops Plads 2, 6400 Sønderborg, Denmark, Sonderborg