1. 
   Aarau
   capital of Aargau canton, northern Switzerland, at the southern foot of the Jura Mountains, on the right bank of the Aare River, west of Zürich. ...
   Found op http://www.britannica.com/eb/a-z/a/1
   
   
2. 
   Aarau
   ==Geography and geology== The old city of Aarau is situated on a rocky outcrop at a narrowing of the Aar river valley, at the southern foot of the Jura mountains. Newer districts of the city lie to the south and east of the outcrop, as well as higher up the mountain, and in the valley on both sides...
   Found op http://en.wikipedia.org/wiki/Aarau
   
   
3. 
   Aarau
   Aarau (ä'rou) , town (1993 pop. 15,900), capital of Aargau canton, N Switzerland, at the foot of the Jura Mts. and on the Aare River. Manufactures include bells, mathematical instruments, electrical goods, shoes, and other products. Aarau was founded c.1250; it was the temporary capital (17...
   Found op http://www.infoplease.com/ce6/world/A0802012.html
   
   
4. 
   aarau
   1) Swiss city where einstein studied
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/aarau/1
   
   

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