Sofia University „St. Kliment Ohridski” (SU), Sofia, Bulgaria and Izmir Kâtip Celebi University, Izmir, Tukey are going to sign an international agreement on cooperation in mathematics and informatics. The signing of a framework and Erasmus+ agreement was initiated after a visit of the Turkish colleagues from Izmir Kâtip Celebi University to SU at the invitation of the Faculty of Mathematics and Informatics (FMI) of SU.

As part of the Transform4Europe Alliance Week, hosted by Sofia University, on the 29th of September 2023 the Alma Mater Gallery opened the exhibition The Pulse of Time. 135 years of Sofia University and City Being'.

As of the beginning of the academic year 2023–2024, the bachelor’s and master’s degree programmes in Modern Greek Philology once again enjoy the cooperation with the Alexander S. Onassis Public Benefit Foundation [ http://www.onassis.org/ ] in the promotion and development of Modern Greek language and culture studies at Sofia University.