The Croatian State Archives is a Category I monument and an individually protected cultural asset, registered in the Register of Cultural Assets of the Republic of Croatia. The institution, with a floor area of 3,309 m², is responsible for the collection and processing of archival materials of national significance.
As part of the Energy Renovation Project for the storage facilities and exterior openings of the Croatian State Archives building, the following works are being carried out:
- installation of a new heating, cooling, and ventilation system
- construction of new flat roof layers
- restoration of wooden windows and entrance doors
- adaptation of electrical installations
- replacement of interior lighting fixtures