In Croatia, Korenko families are Croats (from Pregrada area ). In the past century, relatively most of Croatian residents bearing this family name were born in Virovitica area and in Slovenia.
Prevalence
Only a few people with faimily name Korenko live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Lastine in Pregrada area (<5).