What is Lengnau?
'''Lengnau''' may be one of the following municipalities in Switzerland: *[[Lengnau, Aargau]], in the [[Zurzach (district)|District of Zurzach]], Canton of Aargau *[[Lengnau, Bern]] (also: ''Lengnau bei Biel''), in the [[Büren an der Aare (district)|district of Büren an der Aare]], [[Canton of Bern]] {{disambig}}