The ISTER project partnership consists of 25 regions and institutions from 8 countries of the Danube Region.

• The National Historical Museum of Transylvania (Cluj-Napoca, Romania)
  https://www.mnit.ro/
• URBASOFIA Planning and Development Office (Bucharest, Romania)
  https://urbasofia.eu/en/home/
• Alba Iulia County (Alba Iulia, Romania)
• https://www.apulum.ro/
• The Bulgarian Economic Forum (Sofia, Bulgaria)
• https://bulgarien.ahk.de/
• Transnational Danube Development Group gGmbH (Pécs, Hungary)
• https://www.ddtg.eu/
• Veszprém County (Veszprém, Hungary)
• https://www.veszprem.hu/
• The City Museum and Galleries of Ljubljana (Ljubljana, Slovenia)
• https://www.visitljubljana.com/de/poi/stadtmuseum-ljubljana-museum-und-galerien-der-stadt-ljubljana-mgml/
• Vedecké a výskumné centrum Bistra Ptuj (Ptuj, Slovinsko)
• https://bistra.si/
• The Slovenian Geodetic Institute (Ljubljana, Slovenia)
• https://gis.si/
• The University of Natural Resources and Applied Life Sciences (Vienna, Austria)
  https://boku.ac.at
• Ostwürttemberg Regional Association (Schwäbisch Gmünd, Germany)
  https://www.ostwuerttemberg.org/
• pakora.net – Network for City and Space (Karlsruhe, Germany)
  https://pakora.net/
• The Regional Agency for Development and European Integration (Belgrade, Serbia)
• https://www.rarei.rs/
• The Development Agency of Una-Sana Canton (Bihać, Bosnia and Herzogovina)
• http://www.rausk.ba/
• Roman City of Carnuntum (Petronell-Carnuntum, Austria)
  https://www.carnuntum.at/de