In Croatia, Dreno families are Croats (from Middle Bosnia ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Vares area) and in Middle Bosnia (Sarajevo area).
Prevalence
About 60 people with faimily name Dreno live in Croatia today, in 17 households. They are located in 8 Croatian counties, in 6 cities and 6 other places, mostly in Zagreb (20), Knin (15), Sesvete (<10), Zrnovo on the Island of Korcula (<10), and in Novo Selo (<10).
Outside Croatia
Family name Dreno is present in 11 countries on three continents. "Dereno " is used by small number of people in the United States.