In Croatia, Flajšek families are Croats (from Varazdin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and in Varazdin area.
Prevalence
About 20 people with faimily name Flajšek live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Varazdin (<5), and in Vidovec (<5), Zamlaca (<5) and Sijanec (<5) in Varazdin area.
Outside Croatia
Family name Flajšek (including: Flajsek , Flaisek ) is present in three countries on two continents. "Flaisek " is used by few people in the United States.