The work of the Institute is organized within five Departments, two Sections and one Group, with the Director as the Head of the Institute. The Departments are: the Department of Natural Areas, Landscape Values and Spatial-Planning Documents, the Department of Geodiversity, the Department of Biodiversity, Ecological Networks and Sustainable Development, the Department of Legal Affairs, Human Resources and Administration and the Department of Finance. The multi professional character of the team of Institute`s associates corresponds the diversity of activities performed at the Institute. In 2019 the Institute has 68 employees, of which 57 at the headquarters in Belgrade and 11 at the Office in Niš. Out of total number of employees, 42 possess university degrees.