In Croatia, Baljko families are Croats (from the Island of Ugljan ). In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Ugljan.
Prevalence
About 10 people with faimily name Baljko live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, in one city and another small place , mostly in Kukljica on the Island of Ugljan (<10) and Split (<5).