* Germany (obviously!)
* Austria
* Switzerland (along with French, Italian, and Romansh)
* Liechtenstein
* Luxembourg (along with French)
* Belgium (in the German-speaking Community)
While German isn't an official language in these countries, it is spoken by significant populations:
* Italy (especially in the South Tyrol region)
* Czech Republic
* Poland
* Hungary
It's also worth noting that German is spoken by many people in other countries throughout Europe, particularly in areas that were once part of the Habsburg Empire. This includes areas in present-day Romania, Slovenia, and Slovakia.