The European Heritage Alliance 3.3 is a network of 49 European or international members protecting and promoting cultural heritage. The organization was founded in 2011. Europa Nostra is acting as facilitator of the Alliance. The members bring together many different parts of European cultural heritage such as society organisations, historic cities, museums, collection of artefacts, historical bulidings and landscapes and much more.
Since March 2017 EHTTA is a member of the European Heritage Alliance.