The University Library is a modern, computerised library with a stock of over 100,000 volumes (together with the Orthodox Archbishopric Library) that cover almost all fields of interest. The Orthodox Archbishopric Library is located on the premises of the Faculty of Orthodox Theology and provides services which are similar to the ones of the University Library, both sharing a common database. 

The Library services are open to all University students, researchers, teaching professionals and administrative staff. 

The database of the Library can be accessed through the OPAC software (see Biblioteca Universităţii "1 Decembrie 1918" Alba Iulia).

The library is organised on home loan and reading rooms with over 100 seats, offering free access to the shelf. Access to the Library collections is based on a library card (2 Euros), issued in accordance with Library bylaws.