V�ster�s is a city in central Sweden, located on the shore of Lake M�laren in the province V�stmanland, some 100 km west of Stockholm. The city has a population of 110,877 inhabitants in 2010, out of the municipal total of 137,207 (2010).
V�ster�s is the seat of V�ster�s Municipality, the capital of V�stmanland County and an episcopal see
