The University Library of Southern Denmark is a public research library at the University of Southern Denmark in Denmark. and has branches in six cities, primarily in the region of Southern Denmark and Copenhagen. The library primarily serves researchers and students at the University of Southern Denmark, but users also include businesses, organisations and educational institutions such as upper secondary schools. SDU’s library provides access to books, journals and periodicals, newspapers, maps, sheet music, microfilm and a wide range of electronic resources. The library is home to a physical collection of nearly one and a half million volumes and provides access to over 200,000 electronic journals and periodicals, approximately 750,000 e-books and more than 500 different online databases as of June 2022. The collections primarily cover the areas of research and teaching offered at the University of Southern Denmark, but almost all subject areas are represented in the library’s collections.