In Croatia, Lukavac families are predominantly Serbs, rarely Croats (also from Drnis ). In the past century, relatively most of Croatian residents bearing this family name were born in Drnis and Sibenik.
Prevalence
About 50 people with faimily name Lukavac live in Croatia today, in 20 households. There were 80 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties, in 7 cities and another small place , mostly in Siveric (30), Sibenik (<10), Zadar (<10), Tepljuh (<10), and in Ivanic-Grad (<5).
Outside Croatia
Family name Lukavac is present in 6 countries on three continents.