Treska families are Croats and they are mostly from Cakovec area. In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and in Cakovec area.
Prevalence
About 120 people with faimily name Treska live in Croatia today, in 50 households. There were 80 of them in the middle of the past century, and their number increased by 60 percent. They are located in 6 Croatian counties and 20 other places, mostly in Nedelisce in Cakovec area (40), Cakovec (20), and in Pretetinec (10), Brezje (<10) and Crecan (<10) in Cakovec area.
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.