Garvanović families are Croats and they are mostly from Ilok area. In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci and in Ilok area.
Prevalence
About 140 people with faimily name Garvanović live in Croatia today, in 50 households. There were 60 of them in the middle of the past century, and their number more than doubled. They are located in the most of Croatian counties, in 17 cities and 10 other places, mostly in Djeletovci in Vinkovci area (20), Vinkovci (20), Orolik in Vinkovci area (20), Semeljci in Djakovo area (15), and in Zagreb (15).
Outside Croatia
Family name Garvanović is present in five countries on two continents. The family name "Garvanovic " is used by small number of 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 2007 in source Encyclopaedia of Croatian Surnames.