Kodanike ühenduste ja mittetulundusühenduste üle-euroopaline organisatsioon, mille eesmärk on seista hea oma liikmete huvide eest. Liikmeteks on ka Eesti organisatsioonid.
ECAS was created in 1990 as an international non-profit organization, independent of political parties, commercial interests and the EU Institutions. The association’s mission is to enable NGOs and individuals to make their voice heard with the EU.
ECAS’ members cover different areas of activity in the EU and applicant countries: civil liberties, culture, development, health and social welfare.