The International Motor Show Germany (IAA) is an annual auto show held in Frankfurt, Germany. It is one of the most important auto shows in the world and is held every two years. The event features new car models, concept cars, and other automotive innovations from around the world. The IAA also includes a variety of events, such as test drives, competitions, and presentations from automakers. The IAA has been held since 1897 and is one of the oldest motor shows in the world.