The GAD (German Astronomical Directory) is the complete directory of astronomical institutions in German speaking countries. Public and private observatories, planetarias, astronomical research institutes and amateur astronomers associations in Germany, Austria and Switzerland are listed here. There are pure link lists and complete address lists sorted by postal code.
public observatories planetarias
astronomical clubs astronomie at school
private observatories astronomical research
Planetariums, Observatories and Clubs at Google Earth
Where to buy a star (in german only)