In Croatia, Deželak families are Croats (from Middle Bosnia ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Middle Bosnia (Sarajevo area).
Prevalence
Only a few people with faimily name Deželak live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Zagreb (<5), Samobor (<5), Knin (<5), Sapjane in Opatija area (<5), and in Ripenda Kras (<5).
Outside Croatia
Family name Deželak is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.