About Sønderborg Municipality Visit us and discover beautiful natural surroundings, a vibrant cultural life and good opportunities for jobs and education. Marriage - say YES to each other in Sønderborg Your wedding day is a special day you want to remember happily for the rest of your life. The experience should be perfect, the atmosphere romantic, and the service top-class. Overnight stays Creating your dream vacation, mini-holiday, or a quick get-away? Discover or options for accommodation.