In Croatia, Hrončić families are Croats (from the Island of Losinj ). In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Losinj. In Ćunski on the Island of Losinj every fifth inhabitant had the family name Hrončić.
Only a few people with faimily name Hrončić live in Croatia today, in five households only. There were 120 of them in the middle of the past century, and their number decreased significantly. They are located in only threee naselja i to in Cunski (<10), Mali Losinj (<5) and Susak (<5) on the Island of Losinj.