Čatlak families are Croats and they are mostly from Drnis area. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and in Drnis area.
Prevalence
About 100 people with faimily name Čatlak live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number increased by 50 percent. They are located in 6 Croatian counties, in 11 cities and 8 other places, mostly in Sibenik (40), Split (20), Kastel Stari (<10), Zagreb (<10), and in Trogir (<10).
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.