Unterhaag
The following geographical objects are called Unterhaag :
- Unterhaag (Sankt Englmar) , part of the municipality of Sankt Englmar , Straubing-Bogen district, Bavaria
- Unterhaag (municipality of Hürm) , town of the municipality of Hürm , Melk district, Lower Austria
- Unterhaag (municipality of Oberhaag) , part of Oberhaag , Leibnitz district, Styria