 It comprises three compulsory subjects (Croatian language, mathematics, and a foreign language) and optional subjects and is a prerequisite for a university education.Croatia has eight public universities, the University of Zagreb, University of Split, University of Rijeka, University of Osijek, University of Zadar, University of Dubrovnik, University of Pula and Dubrovnik International University.The University of Zadar, the first university in Croatia, was founded in 1396 and remained active until 1807, when other institutions of higher education took over.