In Croatia, Šljaka families are Croats (from the Island of Ugljan ). In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and Dubrovnik.
Prevalence
About 30 people with faimily name Šljaka live in Croatia today, in 13 households. There were 20 of them in the middle of the past century, and their number increased by 10 percent. They are located in threee Croatian counties, threee cities and four other places, mostly in Ugljan on the Island of Ugljan (<10), Zadar (<10), Dubrovnik (<5), Vodice (<5), and in Poljana on the Island of Ugljan (<5).