The university of Geneva is in the center of Geneva, not far from local attractions, the Leman Lake and the mountains. I like the facts that it’s international, a lot of students come from all around the world, especially to study economics (bilingual program – French/English) and international relations, to work at the UN, WHO, WTO, etc.
Switzerland being a calm country, there is not a crazy amount of parties held by the University. If you’re part of international students groups (Erasmus), there is a good chance that you will have somewhere to go out everyday.
The quality of the education is very high, and the teachers come from everywhere around the world. The UNIGE is very inexpensive as well : 500 Swiss francs/semester, so a total of 1000chf per year.

A little extra this year : 2 Nobel Prizes out of 3 at Geneva University! This should impact the global ranking of the university in the Shanghai ranking.