Västerås is a city in central Sweden, located on the shores of Lake Mälaren. It is the capital of Västmanland County and has a rich history dating back to the Middle Ages. The city is known for its beautiful parks, historic buildings, and vibrant cultural scene. The population of Västerås is around 150,000 residents, making it one of Sweden's largest cities. It is an important industrial center, with a strong focus on technology and innovation. Notable landmarks include the Västerås Cathedral and the Vasa Park, which attract both locals and tourists alike.