In Croatia, Hartl families are generally Croats (from Nova Gradiska area ), very rarely Czechs (from Daruvar ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Nova Gradiska area.
Prevalence
About 30 people with faimily name Hartl live in Croatia today, in 11 households. There were 60 of them in the middle of the past century, and their number halved. They are located in 6 Croatian counties, four cities and threee other places, mostly in Zagreb (20), Daruvar (<10), Prigorje Brdovecko in Zapresic area (<5), Osijek (<5), and in Grubisno Polje (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.