Čajkovac families are Croats and they are mostly from Vinkovci area. In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci area and in Vinkovci.
Prevalence
About 110 people with faimily name Čajkovac live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number increased by 40 percent. They are located in 8 Croatian counties, in 12 cities and 8 other places, mostly in Retkovci in Vinkovci area (30), Djakovo (15), Vinkovci (15), Prkovci in Vinkovci area (15), and in Zagreb (10).
Outside Croatia
Family name Čajkovac is present in three countries on two continents.