Lausanne is the capital city and biggest town of the canton of Vaud in Romandy, Switzerland. It is situated on the shores of Lake Geneva. It faces the French town of Évian-les-Bains, with the Jura Mountains to its north-west. Lausanne is located 62 kilometres northeast of Geneva.
The municipality of Lausanne has a population of about 140,000, making it the fourth largest city in Switzerland, with the entire agglomeration area having about 420,000 inhabitants. The metropolitan area of Lausanne-Geneva, commonly designated as Arc lemanique was over 1.3 million inhabitants in 2017 and is the fastest growing in Switzerland.
Lausanne is a focus of international sport, hosting the International Olympic Committee, 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 hosted the 2020 Winter Youth Olympics.