Cannabis Sativa October 12, 2016October 12, 2016 thcscience_admin Silesian-Lusiatian Highlands in maps of Poland Silesian-Lusatian Lowlands (or Silesian-Lusatian Uplands, Polish: Nizina Śląsko-Łużycka) are lowlands located in Silesia, Poland and Germany. See also[edit] Silesian Highlands Silesian Lowlands Silesian Foothills Silesian-Moravian Foothills