The museum is divided in the Mineralogical-Petrographical, Geological-Palaeontological, Zoological and the Botanical Department. Each with collections of their own and collected in Croatia.

The Croatian Natural History Museum has an interesting collection of prehistoric tools and remains of Krapina Neanderthal.

The substantial museum library is open to the public and holds some important works, such as the 17th-century old Italian works by Ulisse Aldrovandi, Niccolò Gualtieri and Carl Linné (Linneus).

For more detailed informations, see website