Lausanne is the capital city and biggest town of the canton of Vaud in Romandy, Switzerland. A municipality, it is situated on the shores of Lake Geneva (French: Le/Lac Léman). It faces the French town of Évian-les-Bains, with the Jura Mountains to its north-west. Lausanne is located 62 kilometres (38.5 miles) northeast of Geneva.
The municipality Lausanne has a population of about 140,000, making it the fourth largest city in Switzerland, with the entire agglomeration area having 420,000 inhabitants (as of March 2015).[11] The metropolitan area of Lausanne-Geneva (including Vevey-Montreux, Yverdon-les-Bains, and foreign parts) was over 1.2 million inhabitants in 2000.
Lausanne is a focus of international sport, hosting the International Olympic Committee (which has recognized the city as the “Olympic Capital” since 1994), the Court of Arbitration for Sport and some 55 international sport associations. It lies in a noted wine-growing region. The city has a 28-station metro system, making it the smallest city in the world to have a rapid transit system. Lausanne will host the 2020 Winter Youth Olympics.
Source : Wikipedia