The Allgemeiner Deutscher Motorsport Verband (ADAC) is a German automobile club and motoring organization. It was founded in 1903 and is headquartered in Munich, Germany. The ADAC is the largest automobile club in Europe and one of the largest in the world, with more than 18 million members. The organization is involved in a wide range of activities related to motoring, including roadside assistance, travel services, and the promotion of safe and responsible driving. The ADAC also organizes a number of motorsport events, including the famous Nürburgring race track and the ADAC GT Masters series for sports cars. In addition to its activities in Germany, the ADAC also has a presence in other European countries and around the world.