In Croatia, Klešćek families are generally Croats (from Slatina area ), very rarely Slovaks (from Slatina ). In the past century, relatively most of Croatian residents bearing this family name were born in Slatina area and in Slatina. In Miljevci in Slatina area every fiftieth inhabitant had the family name Klešćek.
Prevalence
About 10 people with faimily name Klešćek live in Croatia today, in 8 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only four naselja i to in Belisce (10), Slatina (<5), Josipovac (<5), and in Nova Bukovica in Slatina area (<5).
Outside Croatia
Family name Klešćek is present in this form only in Croatia.