In Croatia, Gardlo families are Croats (from Orahovica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Orahovica area and in Valpovo area.
Prevalence
About 20 people with faimily name Gardlo live in Croatia today, in 15 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in 7 Croatian counties, in 7 cities and 6 other places, mostly in Slatina (<10), Vodnjan in Pula area (<10), Zagreb (<5), Krusljevo Selo (<5), and in Orahovica (<5).
Outside Croatia
Family name Gardlo is present in five countries on two continents.