In Croatia, Dlab families are generally Croats (from Slatina ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Slatina and Rijeka.
Prevalence
About 40 people with faimily name Dlab live in Croatia today, in 20 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties and 9 other places, mostly in Slatina (15), Zagreb (<10), Sije in Delnice area (<10), Gaciste in Virovitica area (<10), and in Rijeka (<5).
Outside Croatia
Family name Dlab is present in 7 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1929 in source Emigration Commission Zagreb.