Kolac families are Croats and they are mostly from Cakovec area. In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and in Cakovec area.
Prevalence
About 90 people with faimily name Kolac live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number increased by 0 percent. They are located in 6 Croatian counties, in 6 cities and 12 other places, mostly in Zasadbreg in Cakovec area (30), Cakovec (20), Ziskovec (10), Zagreb (<10), and in Branjin Vrh (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.