Info from the Ministry of the Interior of the Republic of Croatia
Travellers entering the Republic of Croatia from an EU/EEA Member State
Travellers coming directly from countries and/or regions of the European Union or from countries and/or regions of the Schengen area and associated Schengen countries, regardless of citizenship , are allowed to enter the Republic of Croatia without presenting the EU COVID digital certificate or any other epidemilogical certificate (COVID-19 test result, vaccination certificate, etc.) and without applying the isolation measure. The above-mentioned persons do not need to announce their arrival via Enter Croatia.