Drljepan families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Busovaca area) and in Middle Bosnia (Kiseljak area). In Oselište in Middle Bosnia every fourth inhabitant had the family name Drljepan.
Prevalence
About 60 people with faimily name Drljepan live in Croatia today, in 20 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in 10 Croatian counties, in 12 cities and four other places, mostly in Komletinci in Vinkovci area (25), Vodnjan in Pula area (15), Opuzen (<10), Djakovo (<10), and in Split (<5).
Outside Croatia
Family name Drljepan is present in five countries on two continents.
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.