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 it is one of the largest, with over 1 million visitors each year. The IAA features new cars from all major manufacturers, as well as concept cars and other vehicles. It also includes displays of automotive technology and accessories, as well as events and activities for visitors. The IAA has been held since 1897 and is usually held in September or October each year.