Unserdeutsch
Spoken language
Unserdeutsch, or Rabaul Creole German, is a German-based creole language that originated in Papua New Guinea as a lingua franca. The substrate language is assumed to be Tok Pisin, while the majority of the lexicon is from German. Wikipedia
Region: Oceania
Language families: Creole language and German-based creole languages
Native speakers: 110, almost all in Australia (2016)