The term 'Native of Zagreb' can be summarized by two crossword solutions: 'CROAT' (5 letters) and 'SLAV' (4 letters). CROAT is a term used to describe someone from Croatia, a country located in the Balkans region of Europe. SLAV is a term used to describe someone from a group of people who speak a Slavic language and live in Eastern Europe and Northern Asia. Both terms refer to people who are native to Zagreb, the capital city of Croatia.