Ujaković families are Croats and they are mostly from Knin area. In the past century, relatively most of Croatian residents bearing this family name were born in Knin area and in Drnis.
Prevalence
About 100 people with faimily name Ujaković live in Croatia today, in 50 households. There were 70 of them in the middle of the past century, and their number increased by 40 percent. They are located in 6 Croatian counties, in 11 cities and 9 other places, mostly in Zagreb (20), Tovarnik in Ilok area (15), Sibenik (10), Split (10), and in Zadar (<10).
Outside Croatia
Family name Ujaković (including: Ujakovic , Ujakovich ) is present in four countries on two continents. "Ujakovich " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1927 in source Emigration Commission Zagreb.