Ćulap families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanska Gradiska area) and in Bosanian Posavina (Odzak area).
Prevalence
About 100 people with faimily name Ćulap live in Croatia today, in 40 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in 9 Croatian counties, in 9 cities and 11 other places, mostly in Slavonski Brod (20), Sesvete (20), Zagreb (10), Stari Slatinik in Pleternica area (10), and in Split (10).
Outside Croatia
Family name Ćulap is present in two countries on two continents. The family name "Culap " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.