Tresk families are Croats and they are mostly from Zabok area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zabok area.
Prevalence
About 120 people with faimily name Tresk live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 10 cities and 22 other places, mostly in Zagreb (20), in Radakovo (20) and Domahovo (10) in Zabok area, Cirkvena in Krizevci area (<10), and in Druzilovec in Zabok area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.