Kolombo families are Croats and they are mostly from Sibenik. According to some sources ovo je prezime talijanskog porijekla. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Zagreb. In Zlobin in Bakar every seventieth inhabitant had the family name Kolombo.
Prevalence
About 110 people with faimily name Kolombo live in Croatia today, in 40 households. There were 120 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 8 Croatian counties, in 13 cities and 5 other places, mostly in Zagreb (30), Sibenik (15), Kraljevica (10), Solin (<10), and in Split (<10).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Kolombo is present in 106 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1938 in source Phone Book - Zagreb 1938.