Montreux is a Swiss municipality and town on the shoreline of Lake Geneva at the foot of the Alps. It belongs to the Riviera-Pays-d'Enha…Montreux is a Swiss municipality and town on the shoreline of Lake Geneva at the foot of the Alps. It belongs to the Riviera-Pays-d'Enhaut district in the canton of Vaud, having a population of approximately 26,500, with about 85,000 in the Vevey-Montreux agglomeration as of 2019.