Croatian Academy of Sciences and Arts (Hrvatska Akademija Znanosti i Umjetnosti)Hydrographic Institute of the Republic of Croatia - nautical charts and publications, hydrographic survey, sailing directions, notices to mariners, Morse's signals, radio service, hydrography, oceanography
Institute of Physics, ZagrebRuðer Boskovic Institute, Zagreb - The premier Croatian scientific institution
Science - A comprehensive directory of scientific institutions and research and development programs in Croatia. Definite list of natural and social sciences institutes, along with all the necessary contact details. A Ministry of Science and Technology site.
Ivo Pilar Institute of Social Sciences, Zagreb