Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: Attert is a municipality in the Belgian province of Luxembourg .
A:
Attert ( " Atert " in Luxembourgish , " Ater " in Walloon ) is a Walloon municipality of Belgium located in the province of Luxembourg .