- Guderup is a small town in Denmark located on the island of Als in the southern part of the country. It is part of the Sønderborg Municipality in the Region of Southern Denmark. Guderup has a population of around 1,500 people and is known for its peaceful rural atmosphere. The town has a few local amenities such as a school, a church, and some shops. It is surrounded by beautiful countryside and farmland, making it a popular area for outdoor activities such as hiking and cycling. Guderup is also conveniently located near the larger town of Sønderborg, where residents can access a wider range of services and amenities.