The mission of the Institute is to carry out scientific-research, development and professional works related to the safety of navigation, hydrographic-geodetic survey of the Adriatic, marine geodesy, design and production of charts and nautical publications, oceanographic research, submarine geology research and finally publishing and printing activities.
The Institute is responsible for the development of navigational safety service in the Adriatic, in conformity with the recommendations of:
-International Hydrographic Organization (IHO),
-International Maritime Organization (IMO),
-International Association of Lighthouse Authorities (IALA),
and in cooperation with the Ministry of Maritime Affairs, Transport and Infrastructure, Croatian Navy, port authorities, lighthouse authorities and hydrographic offices of all maritime states.
All collected and processed data is stored in the archives of original charts or the HHI database. Cartographic originals of all published charts are also filed in the archives. Hydrographic Institute has a library preserving about 8 000 books, textbooks and periodicals, collected over the years, or received from other institutes on exchange basis.