Listen to the German pronunciation of Nadja. The speaker is a native speaker of Standard German from Schleswig-Holstein / Northern Germany:
Typically born before 1980
German spelling of Надя (Nadya), a Russian pet form of Надежда (Nadyezhda). Russian надежда (nadyezhda) = 'hope'
Detailed information about the origin and meaning of Nadja can be found on our sister site www.nordicnames.de.