Šoštarek families are Croats and they are mostly from Lepoglava. In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava and Varazdin.
Prevalence
About 60 people with faimily name Šoštarek live in Croatia today, in 20 households. There were 70 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 8 cities and 9 other places, mostly in Lepoglava (25), Gornja Jelenska in Kutina area (<10), Vuglovec (<10), Zagreb (<10), and in Dubravec in Ivanec area (<5).
Outside Croatia
Family name Šoštarek is present in this form only in Croatia.