Vrbaslija families are Croats and they are mostly from Slatina area. In the past century, relatively most of Croatian residents bearing this family name were born in Slatina area and in Djakovo.
Prevalence
About 70 people with faimily name Vrbaslija live in Croatia today, in 20 households. There were 30 of them in the middle of the past century, and their number more than doubled. They are located in 9 Croatian counties, in 12 cities and 8 other places, mostly in Djakovo (20), Pitomaca in Djurdjevac area (<10), Zagreb (<10), Slatina (<10), and in Ivanic-Grad (<10).
Outside Croatia
Family name Vrbaslija is present in this form only in Croatia.
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.