- University of Regensburg
- Institute for East European Law
- Hungaricum – Hungarian Institute of the University of Regensburg*
- Akademie für Politische Bildung, Tutzing
- Bayerische Staatsbibliothek
- The Federal Institute for Culture and History of the Germans in Eastern Europe (BKGE), Oldenburg
- Collegium Carolinum, Munich
- German Association for East European Studies (DGO)
- German National Library, Leipzig
- Digitales Forum Mittel- und Osteuropa e.V. (DiFMOE), Munich
- European University Viadrina, Frankfurt/Oder
- Research Centre for East European Studies at the University of Bremen
- Leibniz Institute for Educational Media | Georg Eckert Institute (GEI), Braunschweig
- German Institute of Global and Area Studies (GIGA), Hamburg
- Herder Institute, Marburg
- Peace Research Institute (HFSK), Frankfurt a. M.
- Institute for Employment Research (IAB), Nuremberg
- Institut für Auslandsbeziehungen (ifa), Stuttgart
- Institute for Peace Research and Security Policy at the University of Hamburg
- Leibniz Institute for Regional Geography (IfL), Leipzig
- Leibniz Institute of Agricultural Development in Transition Economies (IAMO), Halle/Saale
- Leibniz Institute for the History and Culture of Eastern Europe (GWZO), Leipzig
- Leibniz Institute for Contemporary History (IfZ), Munich-Berlin
- Johannes Künzig Institute of East German Regional Studies, Freiburg i. B.
- Ludwig-Maximilians-Universität München
- Martin Opitz Library, Herne
- Berlin State Library
- German Institute for International and Security Affairs (Stiftung Wissenschaft und Politik, SWP), Berlin
- Südosteuropa-Gesellschaft (SOG)
- University of Bonn
- Centre for East European and International Studies (ZOiS), Berlin
- Leibniz Centre for Contemporary History (ZZF), Potsdam
- Zeppelin University, Friedrichshafen
*Partner at the Research Centre for Eastern and Southeast Europe Regensburg (WiOS)