In Croatia, Tržec families are Croats (from Novi Marof area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Koprivnica.
Prevalence
About 50 people with faimily name Tržec live in Croatia today, in 19 households. There were 40 of them in the middle of the past century, and their number increased by 20 percent. They are only located in four Croatian cities and 8 other places, mostly in Zagreb (10), Scepanje in Novi Marof area (10), Mali Bukovec in Ludbreg area (<10), Kuzminec in Koprivnica area (<10), and in Sveti Petar in Ludbreg area (<5).
Outside Croatia
Family name Tržec is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.