Zurich is the largest city of Switzerland. Beside banks and insurance companies a lot of international concerns have (regional) headquarters here. As well technological leading enterprises have a long tradition in Zurich and its surrounding. Due to international surveys of big cities of the world, Zurich's inhabitants are happy to live under the highest quality of live. (Closed followed by Geneva – anyway life in Switzerland has generally a high quality.) For sure, the gay-scene is the biggest in Switzerland.