Aarau is the capital of the northern Swiss canton of Aargau. The city is also the capital of the district of Aarau. It is German-speaking and predominantly Protestant. Aarau is situated on the Swiss plateau in the valley of the Aar on the river's right bank and at the southern foot of the Jura mountains and is west of Zurich. The municipality borders directly on the Canton of Solothurn to the west. It is the second-largest city in Aargau after Wettingen.

5 Tips to Save the Earth

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