Puljak families are Croats and they are mostly from Imotski area. In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Imotski area. In Dobrinče in Imotski area every fifth inhabitant had the family name Puljak.
Prevalence
About 260 people with faimily name Puljak live in Croatia today, in 100 households. There were 220 of them in the middle of the past century, and their number increased by 10 percent. They are located in 10 Croatian counties, in 16 cities and 23 other places, mostly in Split (45), Zagreb (35), Dobrince in Imotski area (30), Podbrezje (20), and in Osijek (20).
Outside Croatia
Family name Puljak (including: Pulyak , Pulyakh and Puliak ) is present in 20 countries worldwide.
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.