In Croatia, Vlašec families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 40 people with faimily name Vlašec live in Croatia today, in 7 households. There were 30 of them in the middle of the past century, and their number increased by 20 percent. They are located in only two naselja i to in Odranski Obrez (15) and Zagreb (<5).
Outside Croatia
Family name Vlašec is present in this form only in Croatia.