In Germany, six minority languages are protected:
* Dänisch (Danish)
* Nordfriesisch (North Frisian)
* Saterfriesisch (Saterland Frisian)
* Romanes (Romany)
* Niedersorbisch (Lower Sorbian)
* Obersorbisch (Upper Sorbian)
Source: https://www.bmi.bund.de/DE/themen/heimat-integration/gesells...
This means in the respective German regions you can also speak to the administrative agencies in these minority languages.