Poljanić families are Croats and they are mostly from Peljesac Peninsula. In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and on Peljesac Peninsula. In Pijavičino on Peljesac Peninsula every tenth inhabitant had the family name Poljanić.
Prevalence
About 70 people with faimily name Poljanić live in Croatia today, in 40 households. There were 60 of them in the middle of the past century, and their number increased by 10 percent. They are located in 6 Croatian counties, in 7 cities and 6 other places, mostly in Potomje on the Peljesac peninsula (20), Zagreb (15), Dubrovnik (15), Rijeka (10), and in Split (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.