In Croatia, Jabuka families are Croats (from Vodice ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Vodice.
Prevalence
About 90 people with faimily name Jabuka live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number increased by 30 percent. They are located in 8 Croatian counties, in 7 cities and another small place , mostly in Tribunj (60), Zagreb (<10), Rijeka (<10), Varazdin (<10), and in Split (<5).
Outside Croatia
Family name Jabuka (including: Yabuka , Lyabuka ) is present in 15 countries worldwide. The family name "Jabuka " is used by some 50 people in the United States , small number in Ghana , and small number of people in Brazil.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1928 in source Emigration Commission Zagreb.