Thonon-les-Bains (French pronunciation: [tɔ.nɔ̃.lɛ.bɛ̃]; Francoprovençal: Tonon) is a town (commune) in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in eastern France. It is a sub-prefecture of the department. Thonon is part of a transborder agglomeration known as Grand Genève. The town is situated on the shores of Lake Geneva (French: Lac Léman, or simply Le Léman).
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