In Croatia, Frnjolić families are predominantly Croats (from Pula area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pula.
Prevalence
Only a few people with faimily name Frnjolić live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Pula (<10) and Galizana in Pula area (<5).
Outside Croatia
Family name Frnjolić is present in this form only in Croatia.