Bulgarian Academy of Sciences

Marin Drinov (1838–1906) – Chairman

Vasil Drumev (1840–1901) – Member

Vasil D. Stoyanov (1839–1910) – Secretary

The following year, the Literary Society began issuing the Periodical Journal, its official publication, and in 1871 elected its first honorary member - Gavril Krastevich. As a cultural and enlightened society, the Society worked to form a library of old Bulgarian and foreign books, manuscripts, and medieval charters; and the journal brought to the attention the importance of collecting materials valuable for the study of Bulgarian folklore, history, language, and literature.

In 1878, shortly after Bulgaria's liberation from Ottoman rule, the General Assembly voted to move the headquarters of the Society from Brăila to Sofia, and on 1 March 1893 the BLS moved into its own building, right next to where the Bulgarian Parliament is seated. The BLS headquarters were completed in 1892. The building was designed by architect Hermann Mayer and was expanded during the 1920s.

The Bulgarian Literary Society adopted its present-day name in 1911, and a Bulgarian politician Ivan Geshov (1849–1924) who served as Prime Minister of Bulgaria (in office: 29 March 1911 – 14 June 1913) became the academy's first president for 13 years till he died at the age of 75 in 1924.

The BAS became a member of the Union of Slavonic Academies and Scientific Communities in 1913 and was accepted as a member of the International Council of Scientific Unions in 1931.

The BAS was awarded the Japanese Foreign Minister's Commendation for their contributions to promotion of mutual understanding between Bulgaria and Japan on 1 December 2020.

Information and Communication Sciences and Technologie

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Institute of Mathematics and Informatics

Institute of Mechanics

Institute of Robotics

Institute of Information and Communication Technologies

Cultural-Historical Heritage and National Identity

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Institute for Bulgarian Language "Professor Lyubomir Andreychin"

Institute of Balkan Studies and Center of Thracology "Prof. Alexander Fol"

Institute for Literature

Institute for Historical Studies

Institute of Ethnology and Folklore Studies with Ethnographic Museum

Institute of Art Studies

National Archaeological Institute with Museum

Cyrillo-Methodian Research Center

Institute of Metal Science, Equipment and Technologies "Acad. A. Balevski" with Bulgarian Ship Hydrodynamics Centre – Varna

Institute of General and Inorganic Chemistry

Institute of Organic Chemistry with Center of Phytochemistry

Institute of Physical Chemistry "Academician Rostislaw Kaischew"

Institute of Polymers

Institute of Catalysis

Central Laboratory of Applied Physics – Plovdiv

Astronomy, Space Research and Technologies

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Institute of Astronomy with National Astronomical Observatory

Space Research and Technology Institute