In Croatia, Adlaf families are predominantly Czechs (from Daruvar area ), rarely Croats (also from Daruvar area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar area and in Pakrac. In Boriš in Daruvar area every ninth inhabitant had the family name Adlaf.
Prevalence
About 20 people with faimily name Adlaf live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five Croatian places: in Ljudevit Selo (<10), Zagreb (<5), in Daruvarski Brestovac (<5) and Boris (<5) in Daruvar area, and in Zdencac (<5).
Outside Croatia
Family name Adlaf is present in five countries on three continents.
