In Croatia, Uroić-Tončina families are Croats (from Zlatar ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Zlatar.
Prevalence
About 10 people with faimily name Uroić-Tončina live in Croatia today, in five households only. They are located in only five naselja i to in Donja Batina (<10), Glina (<10), Zagreb (<5), Kasina (<5), and in Blagusa (<5).
Outside Croatia
Family name Uroić-Tončina is present in this form only in Croatia.