In Croatia, Trdišević families are Croats (from Petrinja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja area.
Prevalence
About 10 people with faimily name Trdišević live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only five naselja i to in Benkovacko Selo (<10), Popovaca in Kutina area (<5), Stari Brod in Petrinja area (<5), Prigorje Brdovecko in Zapresic area (<5), and in Korlat (<5).
Outside Croatia
Family name Trdišević is present in this form only in Croatia.