In Croatia, Flajs families are almost entirely Croats (from Vrbovec area ), very rarely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci and in Vrbovec area.
Prevalence
About 30 people with faimily name Flajs live in Croatia today, in 11 households. There were 20 of them in the middle of the past century, and their number increased by 70 percent. They are located in four Croatian counties, in 6 cities and 5 other places, mostly in Vrbovec (<5), Repinec in Vrbovec area (<5), Graberscak (<5), Koprivnica (<5), and in Krizevci (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.