Assembly of European Regions
| Assembly of European Regions | |
|---|---|
| Secretariat | Strasbourg and Brussels | 
| Official working language | English | 
| Type | Association | 
| Member regions | |
| Leaders | |
| • President  | Albert Castellanos | 
| • Secretary General  | Christian Spahr | 
| Website aer | |
The Assembly of European Regions (AER) is the largest independent network of regions in wider Europe. Bringing together regions from 25 countries and 15 interregional organizations, AER is a forum for interregional cooperation.