In Croatia, Gvozdenica families are Croats (from Dubrovnik area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik area and in Dubrovnik. In Trnova in Dubrovnik area every seventh inhabitant had the family name Gvozdenica.
Prevalence
About 30 people with faimily name Gvozdenica live in Croatia today, in 13 households. There were 20 of them in the middle of the past century, and their number increased by 60 percent. They are located in threee Croatian counties, threee cities and 5 other places, mostly in Dubrovnik (<10), Nova Mokosica (<10), Trnova in Dubrovnik area (<10), Zagreb (<10), and in Mokosica (<10).
Outside Croatia
Family name Gvozdenica is present in this form only in Croatia.
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.