In Croatia, Ištok families are Croats (from Garesnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and Koprivnica. In Novi Skucani in Bjelovar area every eighth inhabitant had the family name Ištok.
Prevalence
About 60 people with faimily name Ištok live in Croatia today, in 20 households. There were 80 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 7 Croatian counties, in 7 cities and 9 other places, mostly in Zagreb (10), Krizevci (<10), Bjelovar (<10), Krapina (<10), and in Velika Gorica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.