Jujnović families are Croats and they are mostly from Vrgorac. In the past century, relatively most of Croatian residents bearing this family name were born in Vrgorac and Split.
Prevalence
About 130 people with faimily name Jujnović live in Croatia today, in 50 households. There were 90 of them in the middle of the past century, and their number increased by 40 percent. They are located in 6 Croatian counties, in 9 cities and 6 other places, mostly in Makarska (80), Split (15), Kozica (10), Zagreb (<10), and in Stobrec (<10).
Outside Croatia
Family name Jujnović (including: Jujnovich , Yujnovich and Jujnovic ) is present in 10 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.