Nürburg is a town in the
German district of
Ahrweiler, in the state of
Rhineland-Palatinate. It is also the name of the local castle,
Nürburg Castle, which was built in the
High Middle Ages. The name is derived from the Latin word "niger" which means 'black' (cf. French "noir" meaning the same), and burg which means "castle". The castle is made of
basalt which usually has black color. The town is best known for its famous 24 kilometer race track, the
Nürburgring. Five kilometers of the track are used for a
Formula One grand prix.