Renowned as the 'City of Three Rivers', Passau in Bavaria, Germany is a charming locale. Passau, located at the meeting point of the Danube, Inn and Ilz rivers, has a long history that dates back to the Roman era. St. Stephen's Cathedral, which houses the largest cathedral organ in the world, is only one example of its beautifully preserved architecture. Passau is a must-see location in Bavaria because of its thriving cultural scene, recreational activities along the rivers, and exciting events.