In Croatia, Mečulj families are Croats (from Buzet area ). In the past century, relatively most of Croatian residents bearing this family name were born in Buzet area and in Opatija.
Prevalence
About 10 people with faimily name Mečulj live in Croatia today, in four households only. There were 20 of them in the middle of the past century, and their number halved. They are located in four Croatian cities only: in Lovrin (<5), Rijeka (<5), Opatija (<5), and in Gamboci (<5).
Outside Croatia
Family name Mečulj is present in this form only in Croatia.