In Croatia, Trojner families are Croats (from Cakovec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and Varazdin.
Prevalence
About 10 people with faimily name Trojner live in Croatia today, in four households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only threee naselja i to in Puscine in Cakovec area (<5), Varazdin (<5), and in Trogir (<5).
