Džapo families are Croats and they are mostly from Knin area. According to some sources they are from Vinkovaca. In the past century, relatively most of Croatian residents bearing this family name were born in Knin area and in Zagreb. In Oklaj in Knin area every eighth inhabitant had the family name Džapo.
Prevalence
About 190 people with faimily name Džapo live in Croatia today, in 80 households. There were 140 of them in the middle of the past century, and their number increased by 40 percent. They are located in 9 Croatian counties, in 13 cities and 7 other places, mostly in Zagreb (95), Oklaj in Knin area (45), Zadar (25), Split (<10), and in Vukovar (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.