Žugaj families are Croats and they are mostly from Glina. In the past century, relatively most of Croatian residents bearing this family name were born in Glina and Sisak. In Donja Trstenica in Glina every fifth inhabitant had the family name Žugaj.
Prevalence
About 630 people with faimily name Žugaj live in Croatia today, in 260 households. There were 600 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 29 cities and 64 other places, mostly in Zagreb (70), Petrinja (60), Sisak (45), Glina (40), and in Topusko in Glina area (35).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.