In Croatia, Kuljko families are Croats (from Vrbovec ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Krizevci.
Prevalence
About 10 people with faimily name Kuljko live in Croatia today, in 6 households. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Zagreb (<10), Vrbovec (<10), Gornja Brckovcina (<5), and in Konak (<5).
Outside Croatia
Family name Kuljko (including: Kulichko , Kuliko ) is present in 9 countries on four continents.