Selsingen is a municipality located in the district of Rotenburg, in Lower Saxony, Germany. This small but charming town lies in the historical region known as the Elbe-Weser Triangle, between the major rivers Elbe and Weser. The town serves as a minor administrative center for the surrounding rural communities and has maintained its traditional character while adapting to modern needs of its approximately 3,000 residents.

The area around Selsingen has a rich history dating back to ancient settlements, with archaeological findings suggesting human habitation since prehistoric times. During the medieval period, the region was influenced by various noble families and the nearby Hanseatic cities. The town's Lutheran church, St. Lamberti, stands as a testament to its religious heritage and architectural history, with parts of the building dating back to the 13th century. The church remains a central landmark in the community and continues to play an important role in local cultural life.

Agriculture has traditionally been the backbone of Selsingen's economy, with many local farms specializing in dairy production and crop cultivation. In recent decades, the town has diversified its economic base by developing small industrial areas and encouraging local businesses. Selsingen also benefits from its location along regional transportation routes, making it an attractive place for both residents and businesses. The town maintains several educational facilities, including a primary school and a secondary school, serving both local children and those from neighboring communities.