Grahek families are mainly Croats and they are mostly from Ivanec , less frequently Slovenes. In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec and Varazdin.
Prevalence
About 110 people with faimily name Grahek live in Croatia today, in 40 households. There were 100 of them in the middle of the past century, and their number increased by 0 percent. They are located in 9 Croatian counties, in 10 cities and 15 other places, mostly in Zagreb (25), Salinovec (10), Zrinski Topolovac in Krizevci area (<10), Varazdin (<10), and in Kutina (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.