In Croatia, Triska families are Croats (from Pozega area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Pozega area.
Prevalence
About 50 people with faimily name Triska live in Croatia today, in 17 households. There were 40 of them in the middle of the past century, and their number increased by 40 percent. They are only located in threee Croatian cities and four other places, mostly in Rajsavac in Pozega area (20), Zagreb (15), Godinjak in Nova Gradiska area (<10), Rovinj (<10), and in Sesvete (<5).