Džolan families are Croats and they are mostly from Rama (north Herzegovina), Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Rama, Bosnia (Prozor area) and in Middle Bosnia (Sarajevo area).
Prevalence
About 120 people with faimily name Džolan live in Croatia today, in 30 households. They are located in 7 Croatian counties, in 8 cities and 8 other places, mostly in Zagreb (60), Rovisce in Bjelovar area (25), Donja Zelina (<10), Zapresic (<10), and in Novi Varos in Nova Gradiska area (<10).