In Croatia, Sentivanac families are Croats by relative majority (from Osijek ), equally Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Vukovar.
Prevalence
About 50 people with faimily name Sentivanac live in Croatia today, in 18 households. There were 30 of them in the middle of the past century, and their number increased by 60 percent. They are located in four Croatian counties, four cities and threee other places, mostly in Borovo in Vukovar area (20), Osijek (10), Slavonski Brod (<10), Podravlje (<10), and in Vukovar (<5).
Outside Croatia
Family name Sentivanac is present in four countries on two continents. The family name "Sentivanac " 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 1926 in source Emigration Commission Zagreb.