What Is an Apostille and Why Does It Matter? If you’re planning to use a foreign document in Croatia – whether for marriage, residency, court, employment, or education – you’ve probably come across the term apostille. An apostille is an international certification that makes a document legally valid for use in another country that isNastaviNastavi čitati “What Is an Apostille and Do You Need It Before Translating Your Documents for Croatia?”