In Croatia, Chladek families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Chladek live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only two Croatian places: in Zagreb (<5) and Cresnjevec in Klanjec area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1938 in source Phone Book - Zagreb 1938.