The Department of Sociology has Erasmus partnership agreements with the following institutions:
- National and Kapodistrian University of Athens, Asia and Turkish Languages Department, Athens, Greece
- Leopold Franzens Universität - Innsbruck School of Political Science and Sociology. Innsbruck, Austria
- Karl-Franzens-Universität - Department of Sociology, Graz, Austria
- Goethe Universitaet, Frankfurt am Main, Germany
- New Bulgarian University, Department of Philosophy and Sociology, Sofia, Bulgaria
- Bulgarian Academy of Sciences – Ethnographic Institute and Museum, Sofia, Bulgaria
