Ortenburg

Ortenburg is a municipality in the district of Passau in Bavaria, Germany. It is situated on the Vils river, 15 kilometers northwest of Passau. The town is notable for its castle, Schloss Ortenburg, which is one of the largest and most well-preserved Renaissance castles in Bavaria. The castle's history dates back to the 11th century, with significant additions and transformations occurring in the 16th century.

The area around Ortenburg has a long history of settlement, with evidence of early human activity. The Counts of Ortenburg played an important role in the region's history, particularly during the medieval and early modern periods. The town itself developed around the castle and became a center for trade and administration.

Economically, Ortenburg is a mix of agriculture, small businesses, and tourism, largely driven by the appeal of its historic castle and the surrounding natural landscape. The Vils valley offers opportunities for outdoor activities. The municipality also includes several smaller villages and hamlets. Ortenburg is part of the administrative region of Lower Bavaria.