In Croatia, Gyerek families are Croats (from Belisce ). In the past century, relatively most of Croatian residents bearing this family name were born in Belisce and Osijek.
Prevalence
Only a few people with faimily name Gyerek live in Croatia today, in three households only. They are located in two Croatian cities only, in Belisce (<10) and Valpovo (<5).
Outside Croatia
Family name Gyerek is present in 8 countries on three continents. "Györök " is used by some 400 people in Hungary , small number in the United States , and small number of people in Austria.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1929 in source Emigration Commission Zagreb.