ESN is a network of approximately 12,000 volunteer members across 300 local sections in 32 European countries. It aims to offer services to exchange students, support student exchange, and help with the integration and reintegration of international students. ESN operates at the local, national, and international levels and coordinates various projects to facilitate student mobility, cultural exchange, and recognition of academic credits between universities. Some of their key projects include an annual survey of exchange students, research on obstacles to credit recognition, and initiatives to increase the mobility of disabled students.