A geographic area (Bundesland, Landkreis, Kreisfreie Stadt, ...).
Numeric area id; pass as areaId to GET /{v}/routes.
areaId
GET /{v}/routes
Name of the area, e.g. "Halle (Saale)".
Type of the area, e.g. "Kreisfreie Stadt".
A geographic area (Bundesland, Landkreis, Kreisfreie Stadt, ...).