Save Type River Usage Polish Meaning & HistoryExpand Links Variant of Ślęża. This is the name of a river in Silesia, Poland. Related NamesFamily Tree·Details VariantsŚląsk, ŚlężaOther Languages & CulturesSilesia(Ancient Roman) Slezsko(Czech) Silesia(English) Silésie(French) Schlesien(German) Sliezsko(Slovak) Silesia(Spanish) Same SpellingŚlęża