Schaler Aa
Schaler Aa is a river of Lower Saxony and North Rhine-Westphalia , Germany . 
<triplet> Schaler Aa <subj> Lower Saxony <obj> located in the administrative territorial entity <subj> Germany <obj> country <triplet> Lower Saxony <subj> North Rhine-Westphalia <obj> shares border with <subj> Germany <obj> country <triplet> North Rhine-Westphalia <subj> Lower Saxony <obj> shares border with <subj> Germany <obj> country <triplet> Germany <subj> Lower Saxony <obj> contains administrative territorial entity <subj> North Rhine-Westphalia <obj> contains administrative territorial entity