In Croatia, Ertl families are Croats (from Pozega area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pleternica.
Prevalence
About 10 people with faimily name Ertl live in Croatia today, in four households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Osijek (<10), Velika in Pozega area (<5), Split (<5), and in Brijesce (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.