What is Wittnau?
'''Wittnau''' can mean: * [[Wittnau, Aargau]], a municipality in the district of Laufenburg in the canton of Aargau, Switzerland * [[Wittnau, Baden-Württemberg]], a municipality in the district of Breisgau-Hochschwarzwald in Baden-Württemberg, Deutschland == Other == * [[Widnau]], a municipality in the ''Wahlkreis'' of Rheintal in the canton of St. Gallen, Switzerland {{disambiguation}}