In Croatia, Lašak families are Croats (from Pleternica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pleternica area and in Pozega.
Prevalence
About 30 people with faimily name Lašak live in Croatia today, in 10 households. There were 10 of them in the middle of the past century, and their number tripled. They are located in threee Croatian counties, four cities and two other places, mostly in Pozega (20), Migalovci in Pleternica area (<10), Pleternica (<5), Vidovci (<5), and in Zagreb (<5).