In Croatia, Kermek families are almost entirely Croats (from Cakovec ), very rarely Montenegrins (also from Cakovec ). In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and Zagreb.
Prevalence
About 40 people with faimily name Kermek live in Croatia today, in 17 households. There were 20 of them in the middle of the past century, and their number doubled. They are only located in four Croatian cities and two other places, mostly in Cakovec (20), Zagreb (10), Robadje in Mursko Sredisce area (<10), Slavonski Brod (<5), and in Varazdin (<5).
Outside Croatia
Family name Kermek (including: Kermeci , Kermec ) is present in 7 countries on three continents. "Kermec " is used by small number of people in Austria and small number in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.