Langeoog
It is also a municipality in the district of Wittmund in Lower Saxony , Germany . 
<triplet> Wittmund <subj> Lower Saxony <obj> located in the administrative territorial entity <subj> Germany <obj> country <triplet> Lower Saxony <subj> Wittmund <obj> contains administrative territorial entity <subj> Germany <obj> country <triplet> Germany <subj> Lower Saxony <obj> contains administrative territorial entity