Kohlenstoffburg

Kohlenstoffburg/Altwissenburg is the capital of Wirbel which is also known as Altwissenburg. The city is located in a flat area of south-cental Wirbel and is the home of the AeroWirbel company, which created Wirbel's first airship.

History
Kohlenstoffburg was founded in the early middle ages by Germanic Tribes.