In Croatia, Raduka families are predominantly Serbs, rarely Croats (from Pakrac ). In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar area and in Zagreb.
Prevalence
About 20 people with faimily name Raduka live in Croatia today, in 15 households. There were 90 of them in the middle of the past century, and their number decreased significantly. They are located in 7 Croatian counties, in 8 cities and two other places, mostly in Daruvar (<10), Zagreb (<10), Batina in Beli Manastir area (<5), Visnjevac (<5), and in Grubisno Polje (<5).