Slovanska Library specialises in the humanities (literary science, linguistics, history, philosophy, art history, ethnology, theology and sociology). It offers a broad range of literature in Slovene and other Slavic languages as well as periodic publications (145,000 items, 3,500 freely accessible). The Library supports research and study activities and fosters bibliographical and documentary work as well as development in the information and communication field. It is one of the most popular libraries in Slovenia which specialises in culture.
The Library engages in the exchange of publications with libraries of the Czech Republic, Poland, Slovakia, Russia, Bulgaria, and some other Slav countries, as well as with Austria and the United Kingdom.