Main Page | See live article | Alphabetical index The Hallertau or Holledau is the biggest hop-planting area in the world and is divided in several seal districts. Seal Districts Abensberg Altmannstein Au in der Hallertau Geisenfeld Hohenwart Langquaid Mainburg Nandlstadt Neustadt an der Donau Pfaffenhofen an der Ilm Pfeffenhausen Rottenburg an der Laaber Siegenburg Wolnzach This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.