Geneva is the second-most populous city in Switzerland and the most populous in French-speaking Romandy. Situated in the southwest of …Geneva is the second-most populous city in Switzerland and the most populous in French-speaking Romandy. Situated in the southwest of the country, where the Rhône exits Lake Geneva, it is the capital of the Republic and Canton of Geneva, and a centre for international diplomacy. Geneva hosts the highest number of international organizations in the world.