Arlov families are Serbs and they are mostly from Glina area. In the past century, relatively most of Croatian residents bearing this family name were born in Glina area and in Zagreb. In Gornja Trstenica in Glina area every fourth inhabitant had the family name Arlov.
About 60 people with faimily name Arlov live in Croatia today, in 40 households. There were 170 of them in the middle of the past century, and their number decreased significantly. They are located in 6 Croatian counties, in 7 cities and 7 other places, mostly in Gvozd in Glina area (20), Zagreb (15), Glina (10), Gornja Trstenica in Glina area (<10), and in Rijeka (<5).