Lichtenau () is a market town in the district of Ansbach, Middle Franconia, Bavaria, Germany. A small village/town of roughly 3,780 population on the âÂÂCastle Roadâ theme route of Southern Germany. It lies at 390 meters above sea level with an area of 41.39 km<sup>2</sup> (16 sq mi). A very traditional little town, it is also home to the âÂÂVeste Lichtenauâ (castle) which now houses the Nuremberg Archives.