The Roman Catholic Diocese of Ulm is a diocese located in the southern part of Germany. It was established in 1821 and is part of the larger ecclesiastical province of Freiburg. The diocese covers a significant area in the state of Baden-Württemberg and serves a diverse population of Catholics. The diocese is governed by a bishop, currently Bishop Gebhard Fürst, who oversees various parishes and religious institutions within its boundaries. The cathedral of the diocese is the Ulm Minster, known for its impressive Gothic architecture and tall spire, which is a prominent landmark in the city of Ulm.