In Croatia, Krebelj families are predominantly Croats (from Rijeka ), rarely Slovenes (also from Rijeka ), and very rarely Italians (again from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb.
Prevalence
About 20 people with faimily name Krebelj live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number decreased by 50 percent. They are located in three Croatian cities only: in Rijeka (15), Varazdin (<5), and in Zagreb (<5).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Krebelj is present in 9 countries on four continents. The family name "Krebelj " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.