Dortmund is a city located in the western part of Germany, known for its rich industrial history and vibrant culture. It is part of the state of North Rhine-Westphalia and has a population of around 600,000 residents. The city is famous for its football team, Borussia Dortmund, which competes in the Bundesliga, Germany's top football league. The city is also recognized for its green spaces, including the large Westfalenpark, and its historical sites, such as the Reinoldikirche and the Dortmund U, a cultural center. Dortmund has a strong economy, historically rooted in coal and steel production, and is now diversifying into technology and services.