In Croatia, Grgek families are Croats (from Ludbreg area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg area and in Varazdin.
Prevalence
About 30 people with faimily name Grgek live in Croatia today, in 15 households. There were 30 of them in the middle of the past century, and their number remains constant. They are only located in in 6 Croatian cities and threee other places, mostly in Hrzenica in Ludbreg area (<10), Zagreb (<10), Prelog (<5), Sveti Djurdj in Ludbreg area (<5), and in Varazdin (<5).
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.