Vasteras, Sweden

Västerås is a city in central Sweden. It is the seat of Västerås Municipality, the capital of Västmanland County and an episcopal see. One of the oldest cities in Sweden and Northern Europe, its name originates from Västra Aros, which refers to the river mouth of Svartån. The area has been populated since the Nordic Viking Age, before 1000 AD. In the beginning of the 11th century it was the second largest city in Sweden, and by the 12th century had become the seat of the bishop.