Königssondergau
The Königssondergau ( German for "King's Special District" ) was a Frankish "gau" ( district ) which existed in the area north of the confluence of the Rhine and Main rivers in Germany , from Frankish times until the end of the 12th century . 
<triplet> German <subj> Germany <obj> country <triplet> Rhine <subj> Main <obj> tributary <subj> Germany <obj> basin country