In Croatia, Kostadinovski families are predominantly Croats (from Zadar ), rarely Macedonians. In the past century, relatively most of Croatian residents bearing this family name were born in Cazma and Zadar.
Prevalence
About 10 people with faimily name Kostadinovski live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in three Croatian cities only: in Zadar (<10), Zagreb (<5), and in Rijeka (<5).
Outside Croatia
Family name Kostadinovski is present in 15 countries worldwide. The family name "Kostadinovski " is used by small number of people in Germany , small number in the United States , and small number of people in France.