canton, northern Switzerland. It borders Germany to the north and is bounded by the demicanton of Basel-Landschaft and by the cantons of Solothurn and Bern to the west, Lucerne to the south, and Zug and Zurich to the east. It forms the northeastern section of the great Swiss Plateau between the Alps and the Jura Mountains, taking in the lower course of the Aare River, whence its name. Its valleys alternate with pleasantly wooded hills
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