In Croatia, Ister families are Croats (from Varazdin ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin.
Prevalence
About 60 people with faimily name Ister live in Croatia today, in 30 households. There were 30 of them in the middle of the past century, and their number doubled. They are located in threee Croatian counties, four cities and 8 other places, mostly in Gojanec (20), Varazdin (15), in Vidovec (15) and Cresnjevo (<5) in Varazdin area, and in Donji Kucan (<5).