In Croatia, Kores families are Croats (from Nasice area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nasice area and in Zagreb.
Prevalence
About 40 people with faimily name Kores live in Croatia today, in 18 households. There were 20 of them in the middle of the past century, and their number doubled. They are located and 7 other Croatian places, mostly in Djurdjenovac in Nasice area (10), Sesvete (<10), Zagreb (<10), Strahinje (<10), and in Podgora Krapinska (<5).