Logo of the city of Lausanne Lausanne (/ loʊˈzæn / loh-ZAN, US also / loʊˈzɑːn / loh-ZAHN; [3][4][5][6] French: [lozan] ⓘ) [a] is the capital and largest city of the Swiss French-speaking canton of Vaud, in Switzerland. The Olympic capital, it is a hilly city situated on the shores of Lake Geneva, about halfway between the Jura Mountains and the Alps, and facing the French town of …