In Croatia, Cvrković families are Croats (from Vinkovci ). In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci and in Djakovo area.
Prevalence
About 70 people with faimily name Cvrković live in Croatia today, in 30 households. There were 90 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties and 9 other places, mostly in Vinkovci (45), Zagreb (<10), Mirkovci (<10), Split (<5), and in Osijek (<5).
Outside Croatia
Family name Cvrković (including: Cvrkovic , Cverkovic and Zverkovic ) is present in five countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.