The Abens is a river in Bavaria, Germany, and a right-bank tributary of the Danube. Its source is near Au in der Hallertau. Some 71 kilometres long, the Abens flows generally northward through the sma

The Hallertau or Holledau is an area in Bavaria, Germany. With an area of 178 km2, it is listed as the largest continuous hop-planting area in the world. According to the International Hop Growing Con