The Canton of Aargau is located in northern Switzerland, and its capital is Aarau. The largest city in terms of population is Wettingen. The canton covers a surface of 1403.81 km² and has a population of 627,893 (status: December 2012; wikipedia.org).
Main City Aarau
The Canton of Aargau’s capital has 20,128 inhabitants and spreads over an area of 12.34 km² (status: December 2012; wikipedia.org). This makes Aarau the second most populated community after Wettingen. Approximately 80,000 people live in the metropolitan area, and there are approximately 200,000 people in the Aarau economic region (wikipedia.org).