If you have a valid electronic card of Sofia University you can use the Central University Library and its 28 library branch libraries. More information about how to obtain an electronic card can be found at the website of Card system of Sofia University "St. Kliment Ohridski”: https://cards.uni-sofia.bg/
The registration of library users takes place in the Central University Library from Monday to Friday, from 8.00 am to 8.00 pm. Faculty, PhD students, students and staff members of Sofia University will need to present during registration a valid University identification document and a photograph. The price for this type of library user card is 5 BGN and is valid for one calendar year from the date of registration. This library card provides access to the Central University Library and to all 28th branch libraries. More information is provided on the Library Rules of Service.