The widely spread municipality is located on both sides of the Ilfis river and stretches to Napf mountain. It consists of the village of Langnau im Emmental and the hamlets that make up the seven parts of the Langnau parish; Langnau-Dorf, Frittenbach, Ilfis, Hühnerbach, Grossviertel (including Bärau), Rigenen and Gohl as well as about 20 alpine herding camps and meadows.