Drenski families are Croats and they are mostly from Zapresic area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zapresic area.
Prevalence
About 130 people with faimily name Drenski live in Croatia today, in 60 households. There were 120 of them in the middle of the past century, and their number increased by 10 percent. They are located in 10 Croatian counties, in 13 cities and 10 other places, mostly in Zagreb (50), in Drenje Brdovecko (15) and Prigorje Brdovecko (15) in Zapresic area, Kutina (<10), and in Sibenik (<10).
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.