Gartenau
Gartenau is a place name:
- Gartenau (municipality of Grödig) in the district of Salzburg-Umgebung, State of Salzburg, Austria
- Gartenau (municipality of Hallein) in the district of Hallein, State of Salzburg, Austria
- Gartenau , until 1938 Saddek in the Neidenburg district, East Prussia, after 1945: Sadek (Janowo) , lost place in the powiat Nidzicki, Warmian-Masurian Voivodeship, Poland