Simplify the following text for a Grade 7 native English-speaking person.
Original: Austro-Bavarian or Bavarian ( German : Bairisch , autonym Boarisch ) is a major group of Upper German varieties spoken in the south east of the German language area .
Simplified: Bavarian or Austro-Bavarian is a major group of Upper German varieties . Like standard German , Austro-Bavarian is a High German language , but they are not the same language .