Trollhättan is an industrial city in western Sweden, located at the Trollhätte Falls, where the Göta River flows out of Lake Vänern.
The city is the seat of Trollhättan Municipality. With its unique location and dramatic scenery, Trollhättan is a popular tourist destination. The city is home to the Saab car factory, as well as a number of other industrial concerns. The city is also home to the Trollhättan University College.