Erasmus Student Network (ESN) is the largest student organization in Europe, with an interdisciplinary character. It is supported by the European Commission.

ESN was founded in 1989, having the purpose to support and improve student exchanges, at the European level.

The organization developed constantly: in this moment, there are 525 local sections in 39 countries. In the activity of the network there are involved, each year, around 35.000 young people, which offer their services to 200.000 exchange students.