Utrobičić families are Croats and they are mostly from Omis area. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Omis. In Slime in Omis every sixth inhabitant had the family name Utrobičić.
Prevalence
About 160 people with faimily name Utrobičić live in Croatia today, in 70 households. There were 110 of them in the middle of the past century, and their number increased by 50 percent. They are located in four Croatian counties, in 9 cities and 8 other places, mostly in Slime (65), Split (45), Dugi Rat in Omis area (20), Zagreb (<10), and in Omis (<10).
Outside Croatia
Family name Utrobičić is present in three countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.