In Croatia, Ronko families are Croats (from Pozega ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and Osijek.
Prevalence
About 20 people with faimily name Ronko live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Osijek (<10), Pozega (<10), Umag (<5), Josipovac (<5), and in Zagreb (<5).