Meanings
literaryatmosphere, ambiance, environment, setting (in general)
das pittoreske Milieu der Heimatfilme
a specific social environment or setting
das Milieu der Schönen und Reichenthe environment of the rich and beautiful
underworld; demimonde; world of crime, drugs, and/or prostitution
Die polizeilichen Ermittlungen führten ins Frankfurter Milieu.Police inquiries pointed to the Frankfurt underworld.