In Croatia, Plazonjić families are Croats (from Slavonski Brod ). In the past century, relatively most of Croatian residents bearing this family name were born in Trogir area.
Prevalence
Only a few people with faimily name Plazonjić live in Croatia today, in three households only. They are located in only four naselja i to in Zadar (<5), Slavonski Brod (<5), Podvinje (<5), and in Budrovci (<5).
Outside Croatia
Family name Plazonjić is present in this form only in Croatia.