Deutsche Bahn AG (abbreviated as
DB,
DB AG or
DBAG) is a German
railway company. Headquartered in
Berlin, it is a private joint-stock company (
AG), with the
Federal Republic of Germany being its single shareholder. Deutsche Bahn describes itself as the second-largest transport company in the world, after the German postal and logistics company
Deutsche Post /
DHL, and is the largest railway operator and infrastructure owner in Europe. It carries about two billion passengers each year.