In Croatia, Duplić families are Croats (from Labin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Labin area.
Prevalence
About 40 people with faimily name Duplić live in Croatia today, in 12 households. There were 30 of them in the middle of the past century, and their number increased by 10 percent. They are located in four Croatian counties, four cities and two other places, mostly in Zagreb (15), Sajini in Labin area (<10), Split (<5), Pula (<5), and in Sesvete (<5).