In Croatia, Karolija families are Croats (from Omis ). In the past century, relatively most of Croatian residents bearing this family name were born in Split and Omis.
Prevalence
About 10 people with faimily name Karolija live in Croatia today, in four households only. They are located in only four naselja i to in Omis (<10), Split (<5), Tar (<5), and in Garesnicki Brestovac (<5).