Trinborg is a historical museum located in Sarpsborg. The museum focuses on local history and cultural heritage, and offers visitors an insight into the development of the area through the ages. The exhibitions present objects, photographs and documents that highlight Sarpsborg's importance in Norwegian history.
In addition to permanent exhibitions, Trinborg organizes various activities and events such as seminars, lectures and theme days. The museum also functions as a resource center for school classes and other groups who want to learn more about the region's history. Through its work, Trinborg contributes to preserving and communicating knowledge about the past to both residents and visitors.