In Croatia, Kluk families are Croats (from Vrbovec ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovec and Zagreb.
Prevalence
About 40 people with faimily name Kluk live in Croatia today, in 16 households. There were 30 of them in the middle of the past century, and their number increased by 70 percent. They are located and four other Croatian places, mostly in Zagreb (10), Banovo (<10), Split (<10), Velika Gorica (<10), and in Djurdjenovac in Nasice area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.