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Sonlez (Luxembourgish: Soller, German: Soller) is a village in Luxembourg.
It is situated in the commune of Winseler, in north-western Luxembourg. As of September 2026[update], the village has a population of 98. It is situated between Tarchamps (West) and Doncols (East)
Sonlez is known as an historically Walloon-speaking village, similarly to Doncols[citation needed]. Unlike neighbouring Doncols, however, its German and Luxembourgish spellings are identical.