The Assembly of European Regions currently has:
- 270 Member regions from 33 countries
- 16 Interregional Member Organisations
• 12 geographical interregional organisations
Association of European Border Regions (AEBR)
Working Community of the Adriatic Alps (ALPEN ADRIA)
Working Community of the Western Alps (COTRAO)
Working Community of the Danube countries (ARGE DONAULÄNDER)
Working Community of the Pyrenees (CTP)
Working Community of the Alps (ARGE ALP)
Transjurasian Conference (CTJ)
Working Community Galice - North Portugal
Working Community of the Lower and Middle Adriatic
Baltic Sea States Subregional Cooperation (BSSSC)
Channel Arc Manche
World Mountain People Association
• 4 sectorial interregional organisations
Association of European Wine-Producing Regions (AREV)
Assembly of European Fruit and Vegetable Growing and Horticultural Regions (AREFLH)
Association of Local Democracy Agencies (ALDA)
Federation of Local Authority Chief Executives in Europe (UDiTE)
See AER Statutes & AER Rules of Procedure