Since the inception the Institute of Archaeology, work has been focused on basic research, particularly on the archaeological topography of Slovenia, the keeping of records of archaeological material, the study of Roman inscriptions, research into settlements, and the compilation of an archaeological bibliography. Intensive and exhaustive field studies in various regions of Slovenia were carried out very early on. The members of the institute have published numerous works of synthesis, resulting in the compilation of a basic register of archaeological heritage, Archaeological Sites in Slovenia (1975), and more than 50 monographs.
The Institute of Archaeology has an extensive library and annually publishes Arheološki vestnik (Acta archaeologica), the main Slovene archaeological journal, and a series of monographs titled Opera Instituti archaeologici Sloveniae. The list of contents and selected articles are available at the institute's website.