Romac families are Croats and they are mostly from Sinj. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj and Zagreb.
Prevalence
About 450 people with faimily name Romac live in Croatia today, in 160 households. There were 290 of them in the middle of the past century, and their number increased by 50 percent. They are located in the most of Croatian counties, in 15 cities and 14 other places, mostly in Glavice (210), Sinj (115), Zagreb (70), Split (40), and in Semeljci in Djakovo area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 2007 in source Encyclopaedia of Croatian Surnames.