In Croatia, Kruljić families are Croats (from Delnice ). In the past century, relatively most of Croatian residents bearing this family name were born in Delnice and Rijeka.
Prevalence
Only a few people with faimily name Kruljić live in Croatia today, in three households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only four Croatian places: in Jurdani in Opatija area (<5), Kastav (<5), Brod na Kupi (<5), and in Malo Selo (<5).
Outside Croatia
Family name Kruljić is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.