In Croatia, Vranka families are Croats (from Ilok ). In the past century, relatively most of Croatian residents bearing this family name were born in Ilok.
Prevalence
About 10 people with faimily name Vranka live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in four Croatian cities only: in Ilok (<10), Beli Manastir (<5), Mirkovci (<5), and in Rijeka (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.