This is a list of the five Bulgarian scientific institutions with the largest number of publications in the Scopus database for the period 2017-2019. Together, these institutions represent 72.4% of all Bulgarian publications in the Scopus database. Bulgarian Academy of Sciences - BAS Sofia University “St. Kliment Ohridski” Technical University of Sofia Medical University Sofia University Hospital Alexandrovska #Scopus is the largest database of abstracts and citations of peer-reviewed literature: scientific journals, books and conference proceedings. Scopus provides a comprehensive overview of the results of global research in science, technology, medicine, social sciences and the arts and humanities, with intelligent tools for tracking, analysing and visualising research.