In Croatia, Kalaba families are Croats by relative majority (from Bjelovar area ), equally Serbs, and barely Montenegrins (from Ploce ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosnian Krajina (Prnjavor area) and in Osijek. In Vražić in Bosnian Krajina every third inhabitant had the family name Kalaba.
Prevalence
About 60 people with faimily name Kalaba live in Croatia today, in 30 households. There were 30 of them in the middle of the past century, and their number doubled. They are located in 10 Croatian counties, in 13 cities and four other places, mostly in Zagreb (10), Rijeka (<10), Pula (<10), Zadar (<10), and in Kobasicari in Bjelovar area (<10).