National and University Library in Zagreb
National and University Library in Zagreb (NSK) (Croatian: Nacionalna i sveučilišna knjižnica u Zagrebu, NSK; formerly Nacionalna i sveučilišna biblioteka u Zagrebu, NSB) is the national library of Croatia and central library of the University of Zagreb.
The Library was established in 1607.[1] Its primary mission is the development and preservation of Croatian national written heritage. It holds around 3 million items.