The European Centre for Workers’ Questions (EZA) is a European network of 70 labor unions from 29 countries. The administration is located in Königswinter. Members of EZA are worker's organizations and educational and research institutes that deal with worker's questions with reference to Christian social values. These organizations have around 8 million members. Moreover, the EZA has further partners in Europe and cultivates relations to worker's organizations in other regions. The work of the EZA is being funded by the European Union.