Žarko families are Croats and they are mostly from western Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Western Bosnia (Livno area) and in Split. In places Donji Rujani , Lištani and Gornji Rujani in Western Bosnia every twentieth inhabitant had the family name Žarko.
Prevalence
About 230 people with faimily name Žarko live in Croatia today, in 80 households. There were 60 of them in the middle of the past century, and their number multiplied. They are located in 9 Croatian counties, in 16 cities and 15 other places, mostly in Zagreb (30), Sesvete (30), Split (25), Zapresic (25), and in Kastel Gomilica (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.