Sadly back in the day the city of Munich caved in (hosting Germany's MS headquarter). They had a good good run with their Linux. But the state of Schleswig-Holstein is pushing for more open source and switching to Libre Office (80% or so done). They talk about that on their Open Source Initiative page [1].

[1]: https://www.schleswig-holstein.de/DE/landesregierung/themen/... (German only)