Justić families are Croats and they are mostly from the Island of Krk. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and on the Island of Krk. In Garica on the Island of Krk every fourth inhabitant had the family name Justić.
Prevalence
About 180 people with faimily name Justić live in Croatia today, in 80 households. There were 210 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 8 Croatian counties, in 18 cities and 21 other places, mostly in Garica on the Island of Krk (35), Rijeka (15), Krk on the Island of Krk (15), Zagreb (10), and in Vrbnik on the Island of Krk (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.