The National University Main Library houses a rich and diverse array of research materials and resources.The NUR Library provides a variety of scientific information by which users can meet their needs: the Library’s collections contain hundreds of thousands of volumes, include over 33 000 electronic journals and 28 printed journal titles. Electronic versions of the student’s final dissertations, Master’s and PhD thesis (from 2008) are now available online; alongside the Library facilitates free access to open e-resources such as : open J-Gate, Pinakes, ... are provided.

The main Library is situated at the heart of the NUR Main Campus, in the same building with the Computing Center, just below the main building to keep with its central role in the academic life of the university. In addition to the main Library, NUR has documentation branches in all Faculties, Schools and in some of the Centers.